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liuxilin1215 发表于 2014-1-14 20:10:29

BS EN 12373-7-1999

BS EN 12373-7-1999　Aluminium and aluminium alloys － Anodizing － Part 7: Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in phosphoric acid/chromic acid solution with prior acid treatment

admin 发表于 2014-1-18 18:32:06

谢谢您的分享，金币已奖励！

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