ygs67 发表于 2015-11-9 10:24:31

ASTM A31-14

ASTM A31-14 Standard Specification for Steel Rivets and Bars for Rivets, Pressure Vessels

admin 发表于 2015-11-9 16:01:59

谢谢您的分享,金币已奖励!
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查看完整版本: ASTM A31-14