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发明名称
Verfahren zum Lenken eines Erdbohrgeräts und ein lenkbares Gerät zum Herstellen einer Erdbohrung
摘要
申请公布号
DE19607365(C2)
申请公布日期
1998.04.16
申请号
DE19961007365
申请日期
1996.02.27
申请人
TRACTO-TECHNIK PAUL SCHMIDT SPEZIALMASCHINEN, 57368 LENNESTADT, DE
发明人
PUETTMANN, FRANZ-JOSEF, 57368 LENNESTADT, DE;HESSE, ALFONS, DIPL.-ING., 57368 LENNESTADT, DE
分类号
E21B7/06;(IPC1-7):E21B7/20
主分类号
E21B7/06
代理机构
代理人
主权项
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