EU Trademark Classification EU37 Construction and repair 疏浚河道（61123） Class 37 Dredging of river channels 61123 疏浚河道 Chinese 疏浚河道 English Dredging of river channels Site ref. 61123 Class 37 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)