ygs67 发表于 2015-6-16 15:12:39

ASTM A1053 A1053M-12

ASTM A1053 A1053M-12 Standard Specification for Welded Ferritic-Martensitic Stainless Steel Pipe

admin 发表于 2015-6-18 08:27:18

谢谢您的分享,金币已奖励
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