RESPIRATOR MASK
A respirator mask seal and shell are provided according to one embodiment of the invention. The respirator mask seal and shell includes a mask shell havi ng a face opening, a slot for air passage, and at least one attachment portion spaced around the face opening. They also include a movable interfa...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | English French |
Published |
20.10.2009
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Subjects | |
Online Access | Get full text |
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