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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
F25D23/00—General constructional features
F25D23/06—Walls
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FR477575D1915-02-091915-02-09Récipient calorifuge pour conservation de matières alimentaires et autres applications
ExpiredFR477575A
(fr)