HINGED DEFLECTOR OF DRILL STRING ASSEMBLY,申请号RU19920013671-传众专利搜索

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发明名称	HINGED DEFLECTOR OF DRILL STRING ASSEMBLY
摘要
申请公布号	RU2082864(C1)	申请公布日期	1997.06.27
申请号	RU19920013671	申请日期	1992.12.21
申请人	VSEROSSIJSKIJ NAUCHNO-ISSLEDOVATELSKIJ INSTITUT BUROVOJ TEKHNIKI	发明人	BALDENKO DMITRIJ F;VLASOV ALEKSEJ V;MUTOVKIN NIKOLAJ F;SEMKIN SERGEJ A;KHABETSKAYA VALENTINA A;CHERNOVA TAMARA N
分类号	E21B7/08;(IPC1-7):E21B7/08	主分类号	E21B7/08
代理机构		代理人
主权项
地址

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