屋顶、防潮和防水用煤沥青|沙特标准|SASO-ASTM-D450
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屋顶、防潮和防水用煤沥青|沙特标准|SASO-ASTM-D450
SASO-ASTM-D450
Standard Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing
屋顶、防潮和防水用煤沥青的标准规范
SASO-ASTM-D450
Standard Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing
屋顶、防潮和防水用煤沥青的标准规范
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