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Pirelli and C SpA
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Pirelli SpA
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Publication of FR858015ApublicationCriticalpatent/FR858015A/fr
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
B01D53/34—Chemical or biological purification of waste gases
B01D53/46—Removing components of defined structure
B01D53/62—Carbon oxides
A—HUMAN NECESSITIES
A62—LIFE-SAVING; FIRE-FIGHTING
A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B21/00—Devices for producing oxygen from chemical substances for respiratory apparatus
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FR858015D1938-08-101939-07-19Mélange pour l'absorption de l'anhydride carbonique
ExpiredFR858015A
(fr)