焊接法兰的尺寸表
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孟村回族自治县力创管件制造有限公司
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in
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公称通径
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10kg=1.0MPa
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公称通径
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16kg=1.6MPa
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法兰外径
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螺栓孔距
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螺栓直径
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螺栓孔数
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法兰厚度
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法兰外径
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螺栓孔距
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螺栓直径
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螺栓孔数
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法兰厚度
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3/8
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DN10
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50
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60
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14
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4
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14
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DN10
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90
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60
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14
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4
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14
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1/2
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DN15
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59
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65
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14
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4
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14
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DN15
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95
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65
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14
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4
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14
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3/4
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DN20
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105
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75
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14
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4
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16
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DN20
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105
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75
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14
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4
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16
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1
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DN25
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115
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85
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14
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4
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16
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DN25
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115
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85
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14
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4
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16
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11/4
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DN32
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140
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100
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18
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4
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18
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DN32
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140
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100
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18
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4
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18
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11/2
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DN40
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150
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110
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18
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4
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18
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DN40
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150
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110
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18
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4
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18
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2
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DN50
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165
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125
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18
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4
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20
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DN50
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165
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125
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18
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4
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20
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21/2
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DN65
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185
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145
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18
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4
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20
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DN65
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185
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145
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18
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4
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20
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3
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DN80
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200
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160
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18
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8
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20
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DN80
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200
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160
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18
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8
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20
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31/2
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DN100
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220
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180
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18
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8
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22
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DN100
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220
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180
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18
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8
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22
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4
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DN125
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250
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210
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18
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8
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22
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DN125
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250
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210
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18
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8
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22
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5
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DN150
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285
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240
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22
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8
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24
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DN150
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285
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240
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22
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8
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24
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6
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DN200
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340
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295
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22
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8
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24
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DN200
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340
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295
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22
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8
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26
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8
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DN250
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395
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350
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22
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12
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26
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DN250
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405
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355
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26
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12
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29
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10
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DN300
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445
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400
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22
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12
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28
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DN300
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460
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410
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26
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12
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32
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12
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DN350
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505
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460
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22
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16
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30
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DN350
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520
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470
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26
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16
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35
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14
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DN400
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565
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515
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26
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16
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32
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DN400
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580
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525
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30
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16
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38
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16
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DN450
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615
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565
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26
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20
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35
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DN450
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640
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585
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30
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20
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42
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18
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DN500
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670
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620
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26
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20
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38
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DN500
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715
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650
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33
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20
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46
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20
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DN600
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780
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725
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26
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20
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42
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DN600
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840
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770
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36
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20
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52
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