EU Trademark Classification EU09 Scientific and electronic apparatus 氧气监测仪（医用除外）（23413） Class 09 氧气监测仪（医用除外） 23413 Chinese 氧气监测仪（医用除外） English Oxygen monitors, not for medical purposes Site ref. 23413 Class 09 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)