EU Trademark Classification EU01 Chemicals 造纸用氧化镁（3587） Class 01 造纸用氧化镁 3587 Chinese 造纸用氧化镁 English Magnesium oxide for use in papermaking Site ref. 3587 Class 01 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)