The invention relates to a breathing mask for feeding a breathing gas to a mask user and a discharging device for discharging breathing gas from an inner mask area defined by a breathing mask. The inventive breathing mask comprises a sealing lip device for sealing a mask bearing area, a mask base body...http://www.google.fr/patents/US20030221691?utm_source=gb-gplus-shareBrevet US20030221691 - Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas
Breathing mask for feeding a breathing gas to a mask user and discharge ...
Numéro de demande: 10/221,574 Numéro de publication: US 2003/0221691 A1 Date de dépôt: 28 janv. 2003 Brevet délivré: US7100610 ( Date de délivrance 5 sept. 2006)
