GRÆNSEFLADE OMFATTENDE EN RULLENDE NÆSEBRODEL

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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Hauptverfasser: OLSEN, Gregory, James, IP, Bernard, Tsz, Lun, STEPHENSON, Matthew, Roger, HARWOOD, Jonathan, David, PRENTICE, Craig, Robert, SPEAR, Tony, William, HOWARTH, Brad, Michael, EVANS, Leon, Edward, PATEL, Roheet, BEARNE, Peter, David, Alexander, MCLAREN, Mark, Arvind
Format: Patent
Sprache:dan
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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