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A comment on Turn a snorkeling mask into a respiratory mask for assisted ventilation [video]. Parent comment

Re:Turn a snorkeling mask into a respiratory mask for assist... by celticninja on Sunday March 22, 2020 @02:58PM (#22657537)
they have patented the valve that attaches the mask to the oxygen supply. this prevents someone else patenting it. you still need to buy the masks but these will already be in stock at decathlon stores.
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Re:Turn a snorkeling mask into a respiratory mask for assist... by cma on Sunday March 22, 2020 @03:49PM (#22657985)
Publishing already prevents that in most areas, but I guess that could lessen the chance you would have to challenge it.
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