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公司基本資料信息
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公稱壓力
PN/MPa Nominal pressure |
試驗壓力/MPaSealtest
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殼體強度試驗
Shellstrength |
上密封試驗
Backsealtest |
密封試驗
Seattest |
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1.0
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1.5
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1.1
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1.1
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1.6
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2.4
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1.8
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1.8
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2.5
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3.8
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2.8
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2.8
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4.0
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6.O
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4.4
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4.4
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6.4
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8.6
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7.O
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7.0
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1O.O
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15.O
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11.O
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11.O
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產(chǎn)品類型
Producttype |
適用介質(zhì)
Applicablemedium |
適用溫度/℃
Applicabletemperature |
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NKZ41H
NKZ44H NKZ944H-C型 NKZ941H |
水、蒸汽、空氣
Water，Steam，Air |
≤425
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NKZ41H(Y)
NKZ44H(Y)-I型 NKZ944H(Y)-I型 NKZ941H(Y) |
水、蒸汽、空氣
Water，Steam，Air |
≤550
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零件名稱
Partname |
閥體、閥蓋
BodyBonnet |
閥桿
Stem |
閘板
Wedgegate |
密封面
Sealingface |
閥桿螺母
Yokenut |
填料
Parking |
緊固件
Fastener |
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NKZ44H
NKZ41H-C型 NKZ944H-C型 NKZ941H |
WCB
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2Crl3
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25
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H：合金鋼
H：alloysteel |
鋁青銅
Albronze |
膨脹復(fù)合石墨
Expanding comDound graphite |
優(yōu)質(zhì)碳鋼
High-grade carbonsteel |
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NKZ44
NKZ41Y-I型 NKZ944-I型 NKZ941 |
鉻鉬鋼
Cr.Mosteel |
20CrlMo1VA
38CrMoAlA |
鉻鉬鋼
Cr.Mosteel |
Y：硬質(zhì)合金
Y：carbidealloy |
鉻鉬鋼
Cr.Mosteel |
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公稱通徑
DN/mm Nominal diameter |
公稱壓力
PN/MPa Nominal pressure |
主要外形尺寸和連接尺寸/mm
Mainextemalandconnectingdimensions |
閥門
重量 /kg Valve weight |
附法蘭尺寸/mm
Additionalflange's dimensions |
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L
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H
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D
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D1
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D2
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b
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f
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z-d
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W
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h
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D0
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Dn
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|||
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50
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1.O
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250
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345
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160
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125
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1OO
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16
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3
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4-18
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250
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28
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45
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49
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58
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65
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270
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395
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180
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145
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120
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18
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3
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4-18
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250
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40
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48
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64
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75
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80
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280
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425
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195
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160
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135
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20
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3
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4-18
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300
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55
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50
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78
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97
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100
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300
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51O
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215
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180
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155
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20
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3
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8-18
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300
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72
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52
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96
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110
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125
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325
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570
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245
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21O
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185
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22
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3
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8-18
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350
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106
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60
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120
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136
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150
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350
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725
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280
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240
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21O
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24
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3
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8-18
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350
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146
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60
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145
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163
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200
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400
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820
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335
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295
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265
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26
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3
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8-18
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400
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220
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62
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202
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223
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250
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450
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890
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390
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350
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320
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28
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3
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12-23
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400
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315
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62
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225
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278
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300
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500
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1070
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440
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400
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368
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28
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3
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12-23
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450
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398
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65
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303
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330
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350
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550
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1320
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500
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460
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428
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30
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4
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16-23
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550
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530
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65
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351
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382
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400
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600
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1450
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565
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515
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482
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32
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4
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16-25
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550
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690
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65
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398
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432
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450
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650
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1560
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615
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565
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532
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32
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4
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20-25
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600
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870
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70
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460
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485
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500
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700
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1720
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670
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620
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585
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34
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4
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20-25
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650
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1080
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78
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500
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535
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600
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800
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1880
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780
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725
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685
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36
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5
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20-30
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700
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1350
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90
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600
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636
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700
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900
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2085
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895
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840
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800
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40
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5
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24-30
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750
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1950
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90
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690
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726
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800
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1OOO
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2590
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101O
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950
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905
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44
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5
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24-34
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800
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2500
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106
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790
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826
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