EU Trademark Classification EU37 Construction and repair 为隧道涂覆涂层（60600） Class 37 为隧道涂覆涂层 60600 Chinese 为隧道涂覆涂层 English Application of coatings to tunnels Site ref. 60600 Class 37 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)