OXYGEN MASK Russian patent published in 1995 - IPC

Abstract SU 1825454 A3

FIELD: medical engineering and aviation. SUBSTANCE: mask has housing 1 with suction and outlet valves and economizer 2. Suction and outlet valves are arranged in unit 3 mounted in spaced relation in housing 1 of mask. EFFECT: improved service characteristics of mask through reduced resistance to breathing and avoidance of frosting-up of valves. 1 dwg

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SU 1 825 454 A3

Authors

Guzanov M.A.

Zamjatin V.G.

Novichikhin A.P.

Dates

1995-03-20—Published

1991-04-16—Filed