EU Trademark Classification EU01 Chemicals Non-halogenic oxidizing compound for swimming pools Class 01 Non-halogenic oxidizing compound for swimming pools 3870 游泳池用无卤氧化化合物 Chinese 游泳池用无卤氧化化合物 English Non-halogenic oxidizing compound for swimming pools Site ref. 3870 Class 01 Included in Harmonised Database (HDB)