MASK
This mask, to which a cartridge with a filter can be attached, is provided with: a main body which has a through-hole and which has a first opening and a second opening at the two ends in the direction of axial extension of the through-hole; a contact part which can contact the wearer's face an...
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Hauptverfasser: | , , , , , , , , , |
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Format: | Patent |
Sprache: | eng ; fre ; jpn |
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Online-Zugang: | Volltext bestellen |
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