EU Trademark Classification EU01 Chemicals Non-halogenic oxidizing compound for hot tubs Class 01 Non-halogenic oxidizing compound for hot tubs 3867 热水浴缸用无卤氧化化合物 Chinese 热水浴缸用无卤氧化化合物 English Non-halogenic oxidizing compound for hot tubs Site ref. 3867 Class 01 Included in Harmonised Database (HDB)