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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
A01B3/16—Alternating ploughs, i.e. capable of making an adjacent furrow on return journey
A01B3/18—Turn-wrest ploughs
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FR463512D1913-10-101913-10-10Perfectionnement apporté dans les charrues doubles et simples comportant soit un age tournant soit un age fixe
ExpiredFR463512A
(fr)