ygs67 发表于 2015-12-15 22:15:05

ASTM B908-14

ASTM B908-14 Standard Practice for the Use of Color Codes for Zinc Casting Alloy Ingot.

admin 发表于 2015-12-16 11:43:50


谢谢您的分享，金币已奖励!
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查看完整版本: ASTM B908-14