EU Trademark Classification EU01 Chemicals 氧化镁（非医用）（3591） Class 01 氧化镁（非医用） 3591 Chinese 氧化镁（非医用） English Magnesium oxide, other than for medical use Site ref. 3591 Class 01 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)