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标题: ASTM A49 −12 (Reapproved 2019) [打印本页]

作者: 松雨霞    时间: 2019-9-6 14:51:49     标题: ASTM A49 −12 (Reapproved 2019)

Standard Specification for Heat-Treated Carbon Steel Joint Bars, Microalloyed Joint Bars, and Forged Carbon Steel Compromise Joint Bars


作者: admin    时间: 2019-9-6 17:00:17

谢谢您的分享,金币已奖励!
作者: hung    时间: 2019-9-9 10:48:09

謝謝樓主的分享!!!!!!




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