EU Trademark Classification EU37 Construction and repair 修理光学仪器（62377） Class 37 Repair of optical instruments 62377 修理光学仪器 Chinese 修理光学仪器 English Repair of optical instruments Site ref. 62377 Class 37 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)