Patent classifications
A
HUMAN NECESSITIES
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A23
FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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A23L
FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
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13/00
Meat products; Meat meal; Preparation or treatment thereof
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A23L13/20
from offal, e.g. rinds, skins, marrow, tripes, feet, ears or snouts
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