Patent classifications
A
HUMAN NECESSITIES
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A23
FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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A23B
PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
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20/00
Preservation of edible oils or fats
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A23B20/10
Preservation of edible oil or fat compositions containing an aqueous phase, e.g. margarines
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