ygs67 发表于 2015-6-17 10:11:37

ASTM A988 A988M-13

ASTM A988 A988M-13 Standard Specification for Hot Isostatically-Pressed Stainless Steel Flanges, Fittings,Valves, and Parts for High Temperature Service.

admin 发表于 2015-6-18 08:32:43

谢谢您的分享,金币已奖励
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