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发明名称
Antriebskopf für ein drehantreibbares Gestänge, insbesondere zum Antreiben einer Bohrlochpumpe
摘要
申请公布号
DE19881676(D2)
申请公布日期
2001.03.22
申请号
DE19981081676
申请日期
1998.11.02
申请人
NETZSCH-MOHNOPUMPEN GMBH
发明人
HANTSCHK, GUENTHER
分类号
E21B43/12;F04B47/02;F04C14/28;F04C15/00;(IPC1-7):F04C15/04
主分类号
E21B43/12
代理机构
代理人
主权项
地址
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