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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
A23B2/30—Preservation of foods or foodstuffs, in general by heating materials in packages which are not progressively transported through the apparatus
A23B2/37—Preservation of foods or foodstuffs, in general by heating materials in packages which are not progressively transported through the apparatus with packages moving on the spot
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FR574260D1922-12-081923-12-08
Process for the treatment of liquids contained in closed containers
ExpiredFR574260A
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