EU Trademark Classification EU06 Metal goods 金属隧道衬砌管片（13616） Class 06 金属隧道衬砌管片 13616 Chinese 金属隧道衬砌管片 English Tunnel lining segments made of metal Site ref. 13616 Class 06 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)