EU Trademark Classification EU41 Education and entertainment 有关牙科领域的授课服务（69747） Class 41 有关牙科领域的授课服务 69747 Chinese 有关牙科领域的授课服务 English Teaching services relating to the dental field Site ref. 69747 Class 41 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)