EU Trademark Classification EU17 Rubber and plastics goods 管子用非金属联接件（37245） Class 17 Couplings (Non-metallic -) for tubes 37245 管子用非金属联接件 Chinese 管子用非金属联接件 English Couplings (Non-metallic -) for tubes Site ref. 37245 Class 17 Included in Harmonised Database (HDB)