GUIDANCE METHOD OF APPARATUS FOR HORIZONTAL BORING,申请号GB19740048526-传众专利搜索

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发明名称	GUIDANCE METHOD OF APPARATUS FOR HORIZONTAL BORING
摘要
申请公布号	GB1481828(A)	申请公布日期	1977.08.03
申请号	GB19740048526	申请日期	1974.11.08
申请人	CONTINENTAL OIL CO	发明人
分类号	E21B7/04;E21B47/02;(IPC1-7):E21B7/04	主分类号	E21B7/04
代理机构		代理人
主权项
地址

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