famenvalve 发表于 2007-6-27 08:19:45

ASTM A 3-01 Standard Specification for Steel Joint Bars, Low, Medium, and High C

ASTM A 3-01 Standard Specification for Steel Joint Bars, Low, Medium, and High Carbon (Non-Heat-Treated)

ASTM A 3-01 低、中、高碳素钢(未经热处理的)连接杆标准规范
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