EU Trademark Classification EU21 Household and kitchen utensils Sheet glass (except glass used in building) Class 21 Sheet glass (except glass used in building) 45117 片状玻璃（建筑用玻璃除外） Chinese 片状玻璃（建筑用玻璃除外） English Sheet glass (except glass used in building) Site ref. 45117 Class 21 Included in Harmonised Database (HDB)