Egymams85 发表于 2018-11-22 02:37:07

ASTM A3 − 01 (Reapproved 2012)

Standard Specification for Steel Joint Bars, Low, Medium, and High Carbon (Non-Heat- Treated)

admin 发表于 2018-11-26 11:22:02

谢谢您的分享，金币已奖励!
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