EU Trademark Classification EU37 Construction and repair 航天器的维护和修理（61723） Class 37 Maintenance and repair of spacecraft 61723 航天器的维护和修理 Chinese 航天器的维护和修理 English Maintenance and repair of spacecraft Site ref. 61723 Class 37 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)