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Classification：Ball valve
Trade names：
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| Flange ball valve of stainless steel |
| Type of the products: Q41F |
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Main performance norm :
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Type
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Nominal pressure
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Test pressure
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Working temperature (degrees Centigrade)
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Suitable medium
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Mpa of intensity (water )
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Seal (water ) the air (Mpa)
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Seal (air ) Mpa low-voltagly
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Q41F-16P(R)
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1.6
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2.4
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1.8
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0.6
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≤ 150
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Nitric acid
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Q41F-25P(R)
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2.5
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3.8
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2.8
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0.6
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≤ 150
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Nitric acid
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Q41F-40P(R)
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4.0
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6.0
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4.4
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0.6
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≤ 150
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Nitric acid
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The material of the major part is explained :
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Part name
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Material
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Q41F-16P-25P-40R
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Q41F-16R-25P-40R
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The valve has body
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Chromium Nickel titanium steel
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Chromium Nickel molybdenum titanium steel
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Spheroid
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Valve stem
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Seal and enclose
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Gather four ethylene
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Spanner
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Cast steel
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Main external dimension :
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Type
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Nominal open DN directly
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Size (mm)
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L
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D
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D1
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D2
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H
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b-f
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Z- Φ d
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Do
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Q41F-16P(R)
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15
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130
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95
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65
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45
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60
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14-2
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4-14
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108
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20
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140
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105
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75
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55
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64
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14-2
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4-14
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120
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25
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150
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115
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85
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65
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90
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16-2
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4-14
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165
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32
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165
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135
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100
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78
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105
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16-2
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4-18
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180
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40
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180
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145
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110
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85
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150
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16-3
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4-18
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240
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50
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200
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160
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125
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100
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190
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16-3
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4-18
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240
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65
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220
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180
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145
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120
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195
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18-3
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4-18
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320
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80
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250
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195
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160
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135
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215
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20-3
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8-18
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350
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100
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280
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215
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180
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155
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250
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20-3
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8-18
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400
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125
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320
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245
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210
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185
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280
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22-3
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8-18
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500
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150
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360
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280
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240
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210
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320
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24-3
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8-23
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600
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200
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400
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335
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295
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265
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370
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26-3
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12-23
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800
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Q41F-25P(R)
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40
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180
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145
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110
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85
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160
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16-3
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4-18
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240
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50
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200
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160
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125
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100
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205
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20-3
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4-18
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270
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65
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220
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180
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145
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120
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215
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22-3
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8-18
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350
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80
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250
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195
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160
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135
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230
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22-3
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8-18
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400
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100
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280
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230
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190
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160
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270
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24-3
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8-23
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500
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125
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320
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270
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220
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188
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300
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28-3
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8-25
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600
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150
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360
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300
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250
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218
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340
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30-3
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8-25
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900
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200
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400
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360
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310
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278
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400
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34-3
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12-25
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1100
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Q41F-40P(R)
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15
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130
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95
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65
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45
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60
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16-2
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4-14
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40
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20
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140
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105
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75
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55
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65
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16-2
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4-14
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51
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25
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150
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115
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85
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65
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90
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18-2
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4-14
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58
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32
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180
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135
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100
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78
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105
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18-3
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4-18
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66
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40
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200
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145
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110
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85
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170
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18-3
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4-18
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76
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50
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220
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160
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125
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100
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230
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20-3
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4-18
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88
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65
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250
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180
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145
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120
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250
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22-3
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8-18
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110
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80
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280
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195
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160
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135
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250
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22-3
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8-18
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121
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100
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320
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230
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190
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160
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295
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24-3
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8-23
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150
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125
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400
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270
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220
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188
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330
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28-3
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8-25
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176
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150
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400
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300
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250
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218
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375
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30-3
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8-25
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204
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200
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550
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375
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320
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282
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440
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38-3
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12-30
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260
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