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A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
A01B3/00—Ploughs with fixed plough-shares
A01B3/04—Animal-drawn ploughs
A01B3/06—Animal-drawn ploughs without alternating possibility, i.e. incapable of making an adjacent furrow on return journey, i.e. conventional ploughing
A01B3/14—Frame ploughs
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FR638970D1927-08-041927-08-04Perfectionnements apportés aux déchaumeuses
ExpiredFR638970A
(fr)