TOOL FOR DRILLING SUPERDEEP WELLS,申请号RU19950104183-传众专利搜索

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发明名称	TOOL FOR DRILLING SUPERDEEP WELLS
摘要
申请公布号	RU2092672(C1)	申请公布日期	1997.10.10
申请号	RU19950104183	申请日期	1995.03.22
申请人	SHADRIN LEV N	发明人	SHADRIN LEV N
分类号	E21B17/00;(IPC1-7):E21B17/00	主分类号	E21B17/00
代理机构		代理人
主权项
地址

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