Patent classifications
A
HUMAN NECESSITIES
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A01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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A01C
PLANTING; SOWING; FERTILISING
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A01C15/06
with distributing slots; , e.g. adjustable openings for dosing
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A01C15/08
with pushers or stirrers in the slots
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