leunghb 发表于 2013-12-17 13:43:44

ASTM A928/A928M-09 Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fu

ASTM A928/A928M-09

Standard Specification for
Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal

admin 发表于 2013-12-17 15:07:41

谢谢您的分享，金币已奖励！

mechen 发表于 2013-12-18 07:49:18

论坛提供多种方式获取金币
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