甲基环戊 发表于 2018-6-8 12:54:14

ASTM D 249 – 89

Standard Specification for Asphalt Roll Roofing (Organic Felt) Surfaced with Mineral Granules


admin 发表于 2018-6-11 10:41:44

谢谢您的分享,金币已奖励!
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