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

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