ygs67 发表于 2016-4-14 15:45:33

ASTM D7270-07(2013)

ASTM D7270-07(2013) Standard Guide for Environmental and Performance Verification of Factory- Applied Liquid Coatings

admin 发表于 2016-4-14 16:36:19

谢谢您的分享，金币已奖励！
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