Mask Spacer Device
An insert for a face mask that is adapted to create an open area between the user's face and an inner side of the face mask.
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| Format: | Patent |
| Sprache: | eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | An insert for a face mask that is adapted to create an open area between the user's face and an inner side of the face mask. |
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