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发明名称
Verfahren und Vorrichtung zur Regelung der Eindringtiefe eines von einem Traktor gezogenen Pfluges
摘要
申请公布号
DE1931695(A1)
申请公布日期
1970.05.21
申请号
DE19691931695
申请日期
1969.06.23
申请人
ALEX,FRIEDMANN KG
发明人
JOHANN LIPINSKI,DIPL.-ING.
分类号
A01B63/112
主分类号
A01B63/112
代理机构
代理人
主权项
地址
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