EU Trademark Classification EU19 Building materials 非金属水闸（排水道）（40660） Class 19 Sluices [drains] not of metal 40660 非金属水闸（排水道） Chinese 非金属水闸（排水道） English Sluices [drains] not of metal Site ref. 40660 Class 19 Included in Harmonised Database (HDB)