Mask Coupling Apparatus
Mask Coupling Apparatus
Description
Abstract:
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- A mask coupling apparatus coupled to an outer surface of a helmet and couplings of a mask including an adjusting mechanism comprising a single elastic strap coupled to the mask at both ends via the couplings, where the ends of the elastic strap are free to adjust the length of the mask coupling apparatus.
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Issue/Publication date:
11/28/2017
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