EU Trademark Classification EU37 Construction and repair 高压水射流清洁排水管（60818） Class 37 高压水射流清洁排水管 60818 Chinese 高压水射流清洁排水管 English Cleaning of drains by high pressure water jetting Site ref. 60818 Class 37 Included in Harmonised Database (HDB), Nice Alphabetical List, WIPO Madrid Goods and Services (MGS)