HYGIENIC MASK COMPATIBLE WITH AIRCRAFT RESPIRATORY PROTECTION MASK
The invention concerns an hygienic mask for aircraft crewmember comprising: ° a first area (3) made of an air filtering tissue; and ° a second area (5) made of a flexible material, the second area surrounding the first area and being attached to the edge of the first area; wherein, when the hygienic...
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Sprache: | eng ; fre |
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