En 13969:2004 Flexible sheets for waterproofing-Bitumen damp proof sheets including bitumen basement tanking sheets-Definitions and characteristics.
防水用柔性薄板，包括沥青底层制箱用薄板的沥青防潮薄板，定义和特性。
En 13969:2004 Flexible sheets for waterproofing-Bitumen damp proof sheets including bitumen basement tanking sheets-Definitions and characteristics.
防水用柔性薄板，包括沥青底层制箱用薄板的沥青防潮薄板，定义和特性。
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