ygs67 发表于 2015-6-17 10:07:55

ASTM A989 A989M-13

ASTM A989 A989M-13 Standard Specification for Hot Isostatically-Pressed Alloy Steel Flanges, Fittings,Valves, and Parts for High Temperature Service1

admin 发表于 2015-6-18 08:32:40

谢谢您的分享,金币已奖励
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