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A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
A23B2/00—Preservation of foods or foodstuffs, in general
A23B2/70—Preservation of foods or foodstuffs, in general by treatment with chemicals
A23B2/704—Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
A23B2/708—Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
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FR520199A1917-04-161920-07-10Perfectionnements dans les méthodes de conservation des produits périssables
ExpiredFR520199A
(fr)
Fourgons frigorifiques transportables aménagés en vue de constituer des entrepots urbains ou régionaux pour la conservation des poissons, viandes et autres denrées
Perfectionnements aux emballages ou récipients, isolés de la tempéra-ture extérieure, pour l'expédition ou le transport de produits ali-mentairesjpérissables