EU Trademark Classification EU37 Construction and repair 保险库的维护和修理（61727） Class 37 Maintenance and repair of strongrooms 61727 保险库的维护和修理 Chinese 保险库的维护和修理 English Maintenance and repair of strongrooms Site ref. 61727 Class 37 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)