EU Trademark Classification EU10 Medical apparatus Ozonizers for medical use Class 10 Ozonizers for medical use 27399 医用臭氧发生器（臭氧器） Chinese 医用臭氧发生器（臭氧器） English Ozonizers [ozonators] for medical use Site ref. 27399 Class 10 Included in Harmonised Database (HDB), TM5 ID List Name qualifier ozonators