
BS EN 15651-3. Sealants for non-structural use in joints in buildings and pedestrian walkways. Part 3. Sealants for sanitary joints
出版:British Standards Institution

专家解读视频
BS EN 15651-3. Sealants for non-structural use in joints in buildings and pedestrian walkways. Part 3. Sealants for sanitary joints
出版:British Standards Institution
专家解读视频