
Dust-pressed ceramic tiles with a low water absorption E 3 % (group BI); german version EN 176:1991
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Dust-pressed ceramic tiles with a low water absorption E 3 % (group BI); german version EN 176:1991
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频