EU Trademark Classification EU04 Industrial oils, greases and fuels Oils for the hydrodynamic drive for vehicles Class 04 Oils for the hydrodynamic drive for vehicles 8771 车辆液力传动用油 Chinese 车辆液力传动用油 English Oils for the hydrodynamic drive for vehicles Site ref. 8771 Class 04 Included in Harmonised Database (HDB)