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Patent classifications
A
HUMAN NECESSITIES
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A01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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A01D
HARVESTING; MOWING
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45/00
Harvesting of standing crops
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A01D45/02
of maize; , i.e. kernel harvesting
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A01D45/021
Cornheaders
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A01D45/023
Gathering chains of belts
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