论坛 › 美国标准 › ASTM D 1970-2001 冰坝防护用作为陡斜屋面衬底的自粘聚合物改...
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发表于 2009-9-29 15:31:55
ASTM D 1970-2001 冰坝防护用作为陡斜屋面衬底的自粘聚合物改...
D1970-01 Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection