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化肥专用管
石油裂化管
返回 |
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20#16MN（GB6479—2000） 20A（GB9948—88 ) |
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18*3-4 |
114*5-6-8-8.5-9-10-11-12-12.5-14 |
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22-3-4-5 |
127*6-10-12-14-16 |
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25-3-3.5-4-4.5 |
133-10-12-14-16-18-20 |
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27*4-5-5.5 |
152*7-8-9-10-12-14-18-25 |
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32*3.5-4-4.5-5 |
159*6-6.5-7-8-8.5-10-12-14-16-18-25 |
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34*3-4-4.5-5-6.5 |
219*7-8-10-12-13-14-15-16-18-20-25 |
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38*3-4-5 |
273*8-9-10-11-12-13-14-15-16-18-20-22-25-30 |
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45*4-5 |
325*8.5-9-9.5-10-12-13-15-16-17-18-22-25-28-30 |
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48*3.5-4-4.5-5-6-7 |
326*9.5-11-15-19-28-30 |
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51*5-6 |
377*9.5-10-11-14-15-16-25 |
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57*5-6 |
406*9.5-13-17-26-32 |
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60*4-4.5-5.5-6-7-8-9-10 |
426-10-13-17-22-24-35 |
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76*5-6-7-8-10 |
457*9.5-10-11-14-19-24-35 |
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89*4-4.5-5-6-6.5-7-8-9-10-11-12-14 |
508*15-20-26 |
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108*6-7-8-9-10-12 |
530*15-18-26-28 |
