ygs67 发表于 2015-7-2 09:53:20

ASTM A606-09a

ASTM A606-09a  Specification for Steel, Sheet and Strip, High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, with Improved Atmospheric Corrosion Resistance

admin 发表于 2015-7-2 11:41:10

谢谢您的分享,金币已奖励!
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