EU Trademark Classification EU37 Construction and repair Underwater abrasive cleaning of non-metallic surfaces Class 37 Underwater abrasive cleaning of non-metallic surfaces 62888 非金属表面水下磨料清洗 Chinese 非金属表面水下磨料清洗 English Underwater abrasive cleaning of non-metallic surfaces Site ref. 62888 Class 37 Included in Harmonised Database (HDB)