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IG Farbenindustrie AG
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IG Farbenindustrie AG
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Publication of FR782753ApublicationCriticalpatent/FR782753A/fr
F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
F25C—PRODUCING, WORKING OR HANDLING ICE
F25C1/00—Producing ice
F25C1/16—Producing ice by partially evaporating water in a vacuum
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FR782753D1933-12-161934-12-15Procédé et dispositif pour la production de glace
ExpiredFR782753A
(fr)