ygs67 发表于 2015-12-10 22:28:01

ASTM B19-15

ASTM B19-15 Standard Specification for Cartridge Brass Sheet, Strip, Plate, Bar, and Disks

admin 发表于 2015-12-11 09:36:39

谢谢您的分享，金币已奖励!
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查看完整版本: ASTM B19-15