EU Trademark Classification EU37 Construction and repair 焊接机器和设备维护（61798） Class 37 焊接机器和设备维护 61798 Chinese 焊接机器和设备维护 English Maintenance of welding machines and equipment Site ref. 61798 Class 37 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)