JOINT OF DRILL ROD STRING,申请号RU19920014733-传众专利搜索

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发明名称	JOINT OF DRILL ROD STRING
摘要
申请公布号	RU2035583(C1)	申请公布日期	1995.05.20
申请号	RU19920014733	申请日期	1992.12.28
申请人	TOVARISHCHESTVO S OGRANICHENNOJ OTVETSTVENNOSTYU - FIRMA "NITEP"	发明人	ANTIPOV VIKTOR V;BRAKKER ILYA I;MANZHULA IVAN T;FEDORENKO ALEKSANDR D
分类号	E21B17/046;(IPC1-7):E21B17/046	主分类号	E21B17/046
代理机构		代理人
主权项
地址

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