EU Trademark Classification EU21 Household and kitchen utensils Heat protective glass (Semi-worked -) Class 21 Heat protective glass (Semi-worked -) 44414 半加工隔热防护玻璃 Chinese 半加工隔热防护玻璃 English Heat protective glass (Semi-worked -) Site ref. 44414 Class 21 Included in Harmonised Database (HDB)