
PREN 13969 - FLEXIBLE SHEETS FOR WATERPROOFING - BITUMEN DAMP PROOF MEMBRANES INCLUDING BITUMEN BASEMENT TANKING MEMBRANES - DEFINITIONS AND CHARACTERISTICS
出版:British Standards Institution

專家解讀視頻
PREN 13969 - FLEXIBLE SHEETS FOR WATERPROOFING - BITUMEN DAMP PROOF MEMBRANES INCLUDING BITUMEN BASEMENT TANKING MEMBRANES - DEFINITIONS AND CHARACTERISTICS
出版:British Standards Institution
專家解讀視頻