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
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