APPARATUS FOR DRILLING AND EXPANDING WELLS,申请号SU19782588134-传众专利搜索

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发明名称	APPARATUS FOR DRILLING AND EXPANDING WELLS
摘要
申请公布号	SU751907(A1)	申请公布日期	1980.07.30
申请号	SU19782588134	申请日期	1978.03.07
申请人	TSOJ VALERIJ ,SU;BOJKO NIKOLAJ V,SU;LEBEDEV MIKHAIL N,SU;KHARCHENKO VLADIMIR V,SU;SHEVCHENKO YURIJ F,SU;SKOPINTSEVA OLGA B,SU;PARSHIN GEORGIJ ,SU;PRAVDIN VLADIMIR A,SU	发明人	TSOJ VALERIJ ,SU;BOJKO NIKOLAJ V,SU;LEBEDEV MIKHAIL N,SU;KHARCHENKO VLADIMIR V,SU;SHEVCHENKO YURIJ F,SU;SKOPINTSEVA OLGA B,SU;PARSHIN GEORGIJ ,SU;PRAVDIN VLADIMIR A,SU
分类号	E21B7/28;(IPC1-7):E02D17/14	主分类号	E21B7/28
代理机构		代理人
主权项
地址

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