屋顶石板|沙特标准|SASO-ASTM-C406
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屋顶石板|沙特标准|SASO-ASTM-C406
SASO-ASTM-C406
Standard Specification for Roofing Slate
屋顶石板的标准规范
Applying Type : Standard Specification
Standard Year : 2015
Approval Year : 2021
SASO-ASTM-C406
Standard Specification for Roofing Slate
屋顶石板的标准规范
Applying Type : Standard Specification
Standard Year : 2015
Approval Year : 2021
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