shukesan 发表于 2017-8-22 11:52:32

ASTM A563M-07 (2013) Standard Specification for Carbon and Alloy Steel Nuts (Met

ASTM A563M-07 (2013)        Standard Specification for Carbon and Alloy Steel Nuts (Metric)


admin 发表于 2017-8-22 15:46:47

谢谢您的分享,金币已奖励!
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