EU Trademark Classification EU01 Chemicals Monomers for use in the manufacture of dental products Class 01 Monomers for use in the manufacture of dental products 3779 用于制造牙科产品的单体 Chinese 用于制造牙科产品的单体 English Monomers for use in the manufacture of dental products Site ref. 3779 Class 01 Included in Harmonised Database (HDB)