EU Trademark Classification EU01 Chemicals Non-halogenic oxidizing compound for spas Class 01 Non-halogenic oxidizing compound for spas 3872 水疗池用无卤氧化化合物 Chinese 水疗池用无卤氧化化合物 English Non-halogenic oxidizing compound for spas Site ref. 3872 Class 01 Included in Harmonised Database (HDB)