ygs67 发表于 2015-9-7 16:26:19

ASTM D226–97

ASTM D226–97 Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing

admin 发表于 2015-9-7 17:01:24

谢谢您的分享,金币已奖励!
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