Earth drilling device,申请号EP20030008467-传众专利搜索

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发明名称	Earth drilling device
摘要
申请公布号	EP1361333(B1)	申请公布日期	2006.06.14
申请号	EP20030008467	申请日期	2003.04.11
申请人	BAUER MASCHINEN GMBH	发明人	HARTHAUSER, WERNER, DIPL.-ING.
分类号	E21B7/02	主分类号	E21B7/02
代理机构		代理人
主权项
地址

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