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发明名称
Vorrichtung zum statischen Erdbohren
摘要
申请公布号
DE59913918(D1)
申请公布日期
2006.11.23
申请号
DE19995013918
申请日期
1999.03.30
申请人
TRACTO-TECHNIK GMBH
发明人
PUETTMANN, FRANZ JOSEF;RIEKES, ANDREAS;PRUTTI FRANZ;KAUFMANN, BERNHARD DIPL.-ING.
分类号
E21B17/046;E21D9/06;E21B7/04;E21B7/20;E21B7/30;E21B17/02;E21B17/20;E21B19/083;E21B19/086;E21B44/00;E21B44/06;F16L1/024;F16L55/165
主分类号
E21B17/046
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代理人
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地址
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