兑水 发表于 2009-9-24 07:38:03

ASTM C 1530-2004 设计成不同剖面和厚度的无石棉纤维水泥屋面...

C1530-03 Standard Specification for Non-Asbestos Fiber-Cement Roofing Shakes, Shingles, and Slates with Designed Varying Profiles and Thicknesses
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