EU Trademark Classification EU01 Chemicals 氧化铝（矾土）（1142） Class 01 氧化铝（矾土） 1142 Chinese 氧化铝（矾土） English Aluminium oxides (alumina) Site ref. 1142 Class 01 Included in Harmonised Database (HDB), Nice Alphabetical List, TM5 ID List, WIPO Madrid Goods and Services (MGS)