发明名称 PLOW BOTTOM
摘要 <p>PLOW BOTTOM A smooth plow bottom having soil working surfaces curving in three dimensions, the smooth bottom is composed of curved surface portions blending smoothly with adjacent surface portions and occupying positions substantially as defined by data location points so as to provide curved soil working surfaces substantially free of undesired bumps or waves.</p>
申请公布号 CA1148405(A) 申请公布日期 1983.06.21
申请号 CA19800354929 申请日期 1980.06.26
申请人 DEERE & COMPANY 发明人 VAN NATTA, TERRY L.;BERENYI, TIBOR;HURT, JAMES J.
分类号 A01B15/08;(IPC1-7):A01B15/08 主分类号 A01B15/08
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