EU Trademark Classification EU35 Advertising and business 有关数据处理的咨询（56798） Class 35 有关数据处理的咨询 56798 Chinese 有关数据处理的咨询 English Consultancy relating to data processing Site ref. 56798 Class 35 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)