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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4/00
Preservation of meat, sausages, fish or fish products
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A23B4/14
Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
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A23B4/18
in the form of liquids or solids
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A23B4/24
Inorganic compounds
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