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Multistage Centrifugal Pump
MCF, MCH types
High head type with high performance and wide variety of materials
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MCF type (Driven by 2-pole motor):
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Compact, high head, high performance multistage centrifugal pump
for force pumping
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MCH type (Driven by 4-pole motor):
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High head, high performance multistage centrifugal pump
for force pumping
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Self-balancing mechanism
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With the floating disk type balancing mechanism originally developed by
YOKOTA for the MCF and MCH types, the axial thrust of its main shaft balances
without axial movement of the shaft. Therefore ordinary ball bearings can
be adopted, and the pump can be disassembled and reassembled very easily.
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Large selection of materials
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A wide variety of materials are available, including FC, SCS and YOKOTA's corrosion and wear resistant special stainless steel casting (YST), to meet the needs of various kinds of liquid.
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Applications
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Boiler feed
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Water supply to high elevations
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Pressurized water discharge
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Seawater transfer
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Other
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Example applications and installations
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Water supply pump for Oita Safari Park
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Electric power plant funnel flushing pump |
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These are non-self-priming type pumps for force pumping.
For self-priming types (for suction pumping) with similar specifications,
please refer to Multistage Self-Priming Pump USM, UBM, MEF types.
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Structure
MCF, MCH types
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Part name
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Part name
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1
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1st-stage suction casing
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8
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Balancing drum bush
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2
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Intermediate-stage casing
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9
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Balancing disk
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3
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Intermediate-stage guide vane
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10
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Shaft
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4
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Final-stage casing
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11
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Ball bearing
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5
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Balancing chamber cover
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12
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Ball bearing
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6
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Multistage impeller
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13
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Balancing pipe
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7
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Balancing drum
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Selection chart & Outer dimensions
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Selection chart
MCF, MCH types
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Model number explanation
XXXX-$-##@@
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XXXX
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: Pump type
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$
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: Number of stages
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##
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: Suction/Discharge bore (cm)
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@@
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: Head classification
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In the selection chart below, pumps are grouped by bore size, and the reference
number $-(**) within each group is shown.
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$
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: Number of stages
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(**)
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: Electric motor output power (kW) at maximum performance (using normal
water at normal temperature)
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Outer dimensions
MCF, MCH types
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Model No.
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Bore
Suction/
Discharge
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Pump
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Weight
(kg)
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Motor
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Base plate
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A
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B
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C
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D
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E
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F
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X
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n
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Frame
No.
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G
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J
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Z-d
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K
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N
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L
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M
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R
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P
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MCF-3-0415
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40/40
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228
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140
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135
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165
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160
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235
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0
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3
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65
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132S
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446.5
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40
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4-15
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125
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650
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900
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370
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400
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90
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4-0415
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40/40
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228
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185
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135
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165
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160
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235
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0
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3
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76
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160M
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575
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40
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4-19
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125
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850
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1100
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410
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450
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120
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5-0415
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40/40
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228
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230
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135
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165
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160
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235
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0
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3
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87
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160M
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575
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40
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4-19
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125
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850
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1100
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410
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450
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120
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6-0415
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40/40
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228
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275
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135
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165
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160
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235
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0
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3
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98
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160M
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575
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65
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4-19
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150
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900
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1200
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410
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450
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120
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7-0415
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40/40
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228
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320
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135
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165
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160
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235
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0
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3
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109
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160L
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619
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65
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4-19
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150
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900
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1200
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410
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450
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120
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8-0415
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40/40
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228
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365
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135
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165
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160
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235
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0
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3
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120
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160M
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575
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65
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4-19
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150
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1000
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1300
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410
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450
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120
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9-0415
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40/40
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228
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410
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135
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165
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160
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235
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0
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3
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132
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160M
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575
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65
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4-19
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150
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1000
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1300
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410
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450
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120
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MCF-3-0418
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50/40
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318
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177
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180
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190
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210
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324
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60
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3
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89
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180M
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646
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60
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4-19
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150
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900
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1200
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460
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500
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115
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4-0418
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50/40
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318
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227
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180
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190
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210
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324
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60
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4
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106
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200L
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776
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60
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4-19
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150
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1000
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1300
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460
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500
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115
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5-0418
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50/40
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318
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277
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180
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190
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210
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324
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60
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4
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123
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200L
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776
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124
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4-23
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200
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1000
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1400
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450
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500
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150
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6-0418
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50/40
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318
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327
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180
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190
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210
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324
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60
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4
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140
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225S
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782
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124
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4-23
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200
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1000
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1400
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450
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500
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150
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7-0418
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50/40
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318
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377
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180
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190
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210
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324
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60
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4
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157
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225S
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782
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124
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4-23
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200
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1100
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1500
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450
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500
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150
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8-0418
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50/40
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318
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427
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180
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190
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210
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324
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60
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4
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174
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200L
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776
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124
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4-23
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200
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1100
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1500
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450
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500
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150
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9-0418
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50/40
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318
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477
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180
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190
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210
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324
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60
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4
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191
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200L
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776
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169
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4-23
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250
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1100
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1600
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450
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500
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150
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MCF-3-0523
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80/50
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402
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205
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230
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240
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240
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395
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0
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4
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115
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225S
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782
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124
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4-23
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200
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1100
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1500
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500
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550
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150
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4-0523
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80/50
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402
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265
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230
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240
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240
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395
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0
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4
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140
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250S
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848
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124
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4-23
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200
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1100
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1500
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550
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600
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150
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5-0523
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80/50
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402
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325
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230
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240
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240
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395
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0
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4
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165
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250M
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886
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169
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4-23
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250
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1200
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1700
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600
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650
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150
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6-0523
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80/50
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402
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385
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230
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240
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240
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395
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0
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4
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190
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280S
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971
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169
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4-23
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250
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1200
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1700
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600
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650
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150
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7-0523
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80/50
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402
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445
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230
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240
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240
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395
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0
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4
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215
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250S
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886
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169
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4-23
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250
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1200
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1700
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600
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650
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150
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MCH-3-1030
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125/100
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430
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380
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300
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350
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350
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425
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0
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4
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460
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200L
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776
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130
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4-23
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250
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1200
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1700
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450
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500
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150
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4-1030
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125/100
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430
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480
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300
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350
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350
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425
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0
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4
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520
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200L
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776
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30
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6-23
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150
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750 x 2
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1800
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450
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500
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180
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5-1030
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125/100
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430
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580
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300
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350
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350
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425
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0
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4
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580
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225S
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782
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30
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6-23
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150
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800 x 2
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1900
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490
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550
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180
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6-1030
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125/100
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430
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680
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300
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350
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350
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425
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0
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4
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640
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250S
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886
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30
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6-23
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150
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850 x 2
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2000
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490
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550
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180
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7-1030
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125/100
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430
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780
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300
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350
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350
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425
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0
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4
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700
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250M
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971
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20
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6-23
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150
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900 x 2
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2100
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540
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600
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180
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8-1030
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125/100
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430
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880
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300
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350
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350
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425
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0
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4
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760
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250M
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971
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80
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6-23
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200
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900 x 2
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2200
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540
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600
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180
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9-1030
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125/100
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430
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980
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300
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350
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350
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425
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0
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4
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820
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225S
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782
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80
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6-23
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200
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900 x 2
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2200
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490
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550
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180
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10-1030
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125/100
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430
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1080
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300
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350
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350
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425
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0
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4
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880
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250S
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886
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80
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6-23
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200
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950 x 2
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2300
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490
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550
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210
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MCH-2-2037
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200/200
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470
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450
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400
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480
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450
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514
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0
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4
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1010
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355L
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1730
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115
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6-23
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200
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950 x 2
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2300
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790
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850
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210
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3-2037
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200/200
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470
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615
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400
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480
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450
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514
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0
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4
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1210
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355L
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1730
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165
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6-23
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250
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1000 x 2
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2500
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790
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850
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210
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4-2037
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200/200
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470
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780
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400
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480
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450
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514
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0
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5
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1410
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400L
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1800
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165
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6-25
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250
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1100 x 2
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2700
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890
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950
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230
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5-2037
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200/200
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470
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945
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400
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480
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450
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514
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0
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5
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1610
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400L
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1800
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215
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6-25
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300
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1150 x 2
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2900
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890
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950
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230
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Note:
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Since dimensions are based on JIS 10K standard, they may be changed according
to standards/specifications.
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Outer dimensions refer only to electric motors at maximum motor output,
therefore there may be differences in outer dimensions. For details on
related dimensional outline drawings, please contact us.
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Specifications stated here may be subject to change without notice due
to product improvement.
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