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A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B9/00—Component parts for respiratory or breathing apparatus
A62B9/04—Couplings; Supporting frames
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FR545447D1921-12-311921-12-31Embase perfectionnée pour appareils de physiothérapie et masques de protection contre les gaz asphyxiants
ExpiredFR545447A
(fr)