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Publication of FR42924EpublicationCriticalpatent/FR42924E/en
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
FR42924D1932-09-031932-09-03
Device allowing, in a gassed environment, to supply liquid or semi-liquid products to the wearers of breathing apparatus
ExpiredFR42924E
(en)