Patent classifications
A
HUMAN NECESSITIES
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A01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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A01G
HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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31/00
Soilless cultivation, e.g. hydroponics
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A01G31/02
Special apparatus therefor
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A01G31/04
Hydroponic culture on conveyors
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A01G31/042
with containers travelling on a belt or the like, or conveyed by chains
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