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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3/00
Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
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A23L3/36
Freezing; Subsequent thawing; Cooling
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A23L3/361
the materials being transported through or in the apparatus, with or without shaping, e.g. in form of powder, granules, or flakes
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A23L3/362
with packages or with shaping in form of blocks or portions
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