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A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
A01K31/00—Housing birds
A01K31/12—Perches for poultry or birds, e.g. roosts
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Life Sciences & Earth Sciences
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Birds
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Environmental Sciences
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Zoology
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Animal Husbandry
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Biodiversity & Conservation Biology
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FR867731D1940-07-161940-07-16
Process for increasing the laying of birds during the cold season and resulting new industrial product
ExpiredFR867731A
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