Patent classifications
A
HUMAN NECESSITIES
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A01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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A01K
ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
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A01K31/14
Nest-boxes; , e.g. for singing birds or the like
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A01K31/16
Laying nests for poultry; Egg collecting
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A01K31/165
Egg collecting or counting
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