INTERFACE COMPRISING A ROLLING NASAL BRIDGE PORTION
A mask assembly has a first upper portion movably connected to a lower portion. At least a portion of the first upper portion is configured to roll so as to overlie at least a portion of a second upper portion when a first boundary of the first upper portion is moved towards a second boundary of the...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A mask assembly has a first upper portion movably connected to a lower portion. At least a portion of the first upper portion is configured to roll so as to overlie at least a portion of a second upper portion when a first boundary of the first upper portion is moved towards a second boundary of the second upper portion |
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