
Clay Roofing Tiles For Discontinuous Laying - Determination Of Physical Characteristics - Part 1: Impermeability Test (pren 539-1)
出版:British Standards Institution

專家解讀視頻
Clay Roofing Tiles For Discontinuous Laying - Determination Of Physical Characteristics - Part 1: Impermeability Test (pren 539-1)
出版:British Standards Institution
專家解讀視頻