liuxilin1215 发表于 2014-12-12 19:14:59

DIN 86341-2000 船舶与海上技术超轻型活动法兰和对焊发兰

DIN 86341-2000 Ships and marine technology - Loose flanges and welding necks extra light duty - Welding necks made from steel and stainless steel DN 32 to DN 50, up to PN 25, DN 65 to DN 125, up to PN 10
船舶与海上技术超轻型活动法兰和对焊发兰


admin 发表于 2014-12-13 17:45:35

谢谢您的分享，金币已奖励
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