EU Trademark Classification EU35 Advertising and business 管理顾客忠诚度、奖励或促销计划（57162） Class 35 管理顾客忠诚度、奖励或促销计划 57162 Chinese 管理顾客忠诚度、奖励或促销计划 English Management of customer loyalty, incentive or promotional schemes Site ref. 57162 Class 35 Included in Harmonised Database (HDB)