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JEAN MAUGY
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JEAN MAUGY
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Publication of FR404561ApublicationCriticalpatent/FR404561A/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
A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
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Pulmonology
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Business, Economics & Management
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Emergency Management
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FR404561D1909-06-301909-06-30Application d'organes acoustiques aux appareils respiratoires
ExpiredFR404561A
(fr)