EU Trademark Classification EU37 Construction and repair 马达的维护、保养、调校和修理（61812） Class 37 马达的维护、保养、调校和修理 61812 Chinese 马达的维护、保养、调校和修理 English Maintenance, servicing, tuning and repair of motors Site ref. 61812 Class 37 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)