sanmaosjy 发表于 2017-11-27 11:17:21

JIS G 3191:2012 Dimensions, mass and permissible variations of hot rolled stee


JIS G 3191:2012  Dimensions, mass and permissible variations of hot rolled steel bars and bar in coil




admin 发表于 2017-11-28 12:35:12

谢谢您的分享，金币已奖励!
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