EU Trademark Classification EU37 Construction and repair 升降梯的维护和修理（61724） Class 37 Maintenance and repair of lifts 61724 升降梯的维护和修理 Chinese 升降梯的维护和修理 English Maintenance and repair of lifts Site ref. 61724 Class 37 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)