
Dust-pressed ceramic tiles with a water absorption of 3 %E6 %; (group BIIa); german version EN 177:1991
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Dust-pressed ceramic tiles with a water absorption of 3 %E6 %; (group BIIa); german version EN 177:1991
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频