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发明名称
Pflugschar, bei dem eine aus konischen Rollen bestehende Gleitbahn angeordnet ist
摘要
申请公布号
DE564016(C)
申请公布日期
1932.11.12
申请号
DE1931J041885D
申请日期
1931.06.23
申请人
JOHANN FRIEDRICH JOHANNSEN
发明人
分类号
A01B15/08;A01B15/10
主分类号
A01B15/08
代理机构
代理人
主权项
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