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A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B31/00—Containers or portable cabins for affording breathing protection with devices for reconditioning the breathing air or for ventilating, in particular those that are suitable for invalids or small children
FR42622D1932-12-071932-12-07Protecteur contre les gaz asphyxiants
ExpiredFR42622E
(fr)