dust masks; dust masks for respiration protection; filters for non-medical respiratory masks; gas masks; protective face masks for the prevention of accident or injury; respirators for filtering air for the prevention of accident or injury; welding masks; non-medical respiratory mask filters; anti-pollution masks for respiratory protection; dust protective masks

facial respiratory masks for medical purposes; nasal masks for medical purposes in the nature of oxygen masks for medical purposes; oral masks for medical purposes in the nature of oxygen masks for medical purposes; sanitary masks for medical purposes; protective face masks for medical use by persons working in dentistry; protective mouth masks for dental use in the nature of sanitary masks for protection against viral infection; protective nose masks for dental use in the nature of sanitary masks for protection against viral infection; protective face masks for medical use by persons working in medicine; high filter surgical masks; protective mouth masks for medical use in the nature of protective face masks for medical use; protective breathing masks made of non-woven materials for medical applications in the nature of protective face masks for medical use; laryngeal masks in the nature of protective face masks for medical use; protective breathing masks made of non-woven materials for surgical applications in the nature of surgical masks; protective breathing masks for surgical applications in the nature of surgical masks; protective masks for use by surgeons during operations in the nature of surgical masks; protective breathing masks for medical applications in the nature of protective face masks for medical use; surgical masks; respiratory masks for medical purposes; masks for use by medical personnel; oxygen masks for medical purposes; pediatric breathing masks for medical purposes