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APPLIC SPECIALES de l ELECTRIC
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F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
F25D21/06—Removing frost
F25D21/08—Removing frost by electric heating
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FR735340D1932-04-181932-04-18Perfectionnements aux installations frigorifiques, notamment à celles destinées à la conservation des aliments
ExpiredFR735340A
(fr)