ygs67 发表于 2015-7-1 13:58:38

ASTM A240_A240M-13c

ASTM A240_A240M-13c Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

admin 发表于 2015-7-2 11:33:53

谢谢您的分享,金币已奖励!
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