METHOD OF SINKING OF DIRECTIONAL WELLS,申请号SU19904890939-传众专利搜索

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发明名称	METHOD OF SINKING OF DIRECTIONAL WELLS
摘要
申请公布号	RU2027842(C1)	申请公布日期	1995.01.27
申请号	SU19904890939	申请日期	1990.12.17
申请人	POLTAVSKOE OTDELENIE UKRAINSKOGO NAUCHNO-ISSLEDOVATELSKOGO GEOLOGORAZVEDOCHNOGO INSTITUTA	发明人	DVERIJ VASILIJ PETROVICH;ISTOMIN ROSTISLAV SERGEEVICH
分类号	E21B7/06;(IPC1-7):E21B7/06	主分类号	E21B7/06
代理机构		代理人
主权项
地址

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