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It Costruzioni Antigas S I C A
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It Costruzioni Antigas S I C A
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Publication of FR748832ApublicationCriticalpatent/FR748832A/fr
A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B13/00—Special devices for ventilating gasproof shelters
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FR748832D1932-06-031933-01-11Dispositif de circulation continue d'air épuré pour la protection collective contre les gaz toxiques
ExpiredFR748832A
(fr)