Patent classifications
A
HUMAN NECESSITIES
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A01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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A01B
SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
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33/00
Tilling implements with rotary driven tools; , e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
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A01B33/06
with tools on vertical or steeply-inclined shaft
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