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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
F25C—PRODUCING, WORKING OR HANDLING ICE
F25C3/00—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow
FR807179D1936-04-201936-06-04Procédé, bassin et appareillage pour la formation d'une plaque de glace au moyen d'un liquide frigorifique
ExpiredFR807179A
(fr)