cumtedu 发表于 2014-9-6 09:53:30

BS 3600-1997《Specification For Dimensions And Masses Per Unit Length Of Welded

BS 3600-1997《Specification For Dimensions And Masses Per Unit Length Of Welded And Seamless Steel Pipes And Tubes For Pressure Purposes》


admin 发表于 2014-9-7 20:06:04

谢谢您的分享，金币已奖励。

richard4900 发表于 2016-4-1 09:44:17

BS 3600-1997《Specification For Dimensions And Masses Per Unit Length Of Welded And Seamless Steel Pipes And Tubes For Pressure Purposes》
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