EU Trademark Classification EU01 Chemicals 耐酸化学组合物（866） Class 01 Acidproof chemical compositions 866 耐酸化学组合物 Chinese 耐酸化学组合物 English Acidproof chemical compositions Site ref. 866 Class 01 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)