15CrMo化肥专用管GB6479-2000
15CrMo GB6479-2000 89*4.5-6-8-9-10-10
15CrMo GB6479-2000 108*4.5-6-8-9-10-10-12
15CrMo GB6479-2000 159*6-8-9-10-10-12
15CrMo GB6479-2000 219*8-9-10-10-1-12-14
15CrMo GB6479-2000 273*8-9-10-11-12-14-15- 16-20-28
15CrMo GB6479-2000 325*8-9-10-11-12-14-15-16-20-25
15CrMo GB6479-2000 377*10-11-12-14-15-16-20-25 -40
15CrMo GB6479-2000 426*10-11-12-14-15- 16-20-25 -40
15CrMo GB6479-2000 457-508X14.2-17.5-22-45-52
15CrMo GB6479-2000 530-558.8X16.8-60-70
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