EU Trademark Classification EU19 Building materials 墙面覆层用板岩（40650） Class 19 墙面覆层用板岩 40650 Chinese 墙面覆层用板岩 English Slates for wall cladding Site ref. 40650 Class 19 Included in Harmonised Database (HDB), Nice Alphabetical List, TM5 ID List, WIPO Madrid Goods and Services (MGS)