EU Trademark Classification EU17 Rubber and plastics goods Wool (Slag -) Class 17 Wool (Slag -) 38471 绝缘、隔热、隔音用矿渣棉 Chinese 绝缘、隔热、隔音用矿渣棉 English Wool (Slag -) [insulator] Site ref. 38471 Class 17 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS) Name qualifier insulator