EU Trademark Classification EU06 Metal goods 金属暗沟排水管（13646） Class 06 金属暗沟排水管 13646 Chinese 金属暗沟排水管 English Underdrainage pipes of metal Site ref. 13646 Class 06 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)