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PROCEDES ECLA SOC D
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Publication of FR794832ApublicationCriticalpatent/FR794832A/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
A62B18/02—Masks
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FR794832D1934-11-271934-11-27Masque à gaz et son procédé de fabrication
ExpiredFR794832A
(fr)