ygs67 发表于 2015-7-2 09:54:21

ASTM A635 A635M-13

ASTM A635 A635M-13 Specification for Steel, Sheet and Strip, Heavy-Thickness Coils, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, and High-Strength Low-All

admin 发表于 2015-7-2 11:41:13

谢谢您的分享,金币已奖励!
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