ygs67 发表于 2016-1-8 20:53:28

ASTM D2626 D2626M-04(2012)e1

ASTM D2626 D2626M-04(2012)e1 Standard Specification for Asphalt-Saturated and Coated Organic Felt Base Sheet Used in Roofing

admin 发表于 2016-1-11 11:01:23

谢谢您的分享,金币已奖励!
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