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Publication of FR761848ApublicationCriticalpatent/FR761848A/fr
A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
A—HUMAN NECESSITIES
A62—LIFE-SAVING; FIRE-FIGHTING
A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
A62B18/086—Adaptations for consuming refreshments without unmasking
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FR761848D1932-12-231932-12-23Appareil respiratoire de protection contre les gaz délétéres
ExpiredFR761848A
(fr)