ygs67 发表于 2016-1-9 21:46:45

ASTM D6947 D6947M-07(2013)e1

ASTM D6947 D6947M-07(2013)e1 Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System

admin 发表于 2016-1-11 11:07:46

谢谢您的分享,金币已奖励!
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