zure1972 发表于 2015-7-24 13:30:43

ASTM A325-2014

ASTM A325-2014
Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength

admin 发表于 2015-7-27 09:50:55


谢谢您的分享,金币已奖励!
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