EU Trademark Classification EU09 Scientific and electronic apparatus 光纤电缆用光发射器（23361） Class 09 光纤电缆用光发射器 23361 Chinese 光纤电缆用光发射器 English Optical transmitters for use with fibre optic cables Site ref. 23361 Class 09 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)