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发明名称
Vorrichtung zum Graben von Furchen
摘要
申请公布号
CH423642(A)
申请公布日期
1966.10.31
申请号
CH19640008917
申请日期
1964.07.07
申请人
WEYERS,HEINRICH
发明人
WEYERS,HEINRICH
分类号
E02B11/02;E02F3/10;E02F3/12;E02F5/06;(IPC1-7):E02F5/06
主分类号
E02B11/02
代理机构
代理人
主权项
地址
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