EU Trademark Classification EU09 Scientific and electronic apparatus 光纤（纤维）（23344） Class 09 光纤（纤维） 23344 Chinese 光纤（纤维） English Optical fibers [fibres] Site ref. 23344 Class 09 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)