ygs67 发表于 2015-12-10 22:31:58

ASTM B36_B36M-13

ASTM B36_B36M-13 Standard Specification for Brass Plate, Sheet, Strip, And Rolled Bar

admin 发表于 2015-12-11 09:36:47

谢谢您的分享，金币已奖励!
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