ygs67 发表于 2018-1-8 11:18:09

ASTM D823-17

ASTM D823-17 Standard Practices for Producing Films of Uniform Thickness of Paint, Varnish, and Related Products on Test Panels

admin 发表于 2018-1-8 16:15:00

谢谢您的分享，金币已奖励!
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