thyy 发表于 2014-12-29 11:14:20

AS 2465【1999】Unified hexagon bolts, screws and nuts (UNC and UNF threads)

AS 2465【1999】Unified hexagon bolts, screws and nuts (UNC and UNF threads)



admin 发表于 2014-12-29 11:28:31

谢谢您的分享，金币已奖励
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