Device for pulling a pipe into a borehole,申请号EP19980104616-传众专利搜索

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发明名称	Device for pulling a pipe into a borehole
摘要
申请公布号	EP0869308(A3)	申请公布日期	1999.06.23
申请号	EP19980104616	申请日期	1998.03.13
申请人	TERRA AG FUER TIEFBAUTECHNIK	发明人	JENNE, DIETMAR, DIPL.-WI.-ING.
分类号	E21B7/30;F16L55/165;(IPC1-7):F16L55/165	主分类号	E21B7/30
代理机构		代理人
主权项
地址

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