EU Trademark Classification EU01 Chemicals 氟硅酸镁（3619） Class 01 氟硅酸镁 3619 Chinese 氟硅酸镁 English Magnesium silicofluoride Site ref. 3619 Class 01 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)