METHOD OF MONITORING THE PRESSURE OF FLUSHING FYLUID INSIDE OF DRILLING TOOL WHILE DRILLING,申请号SU19874250177-传众专利搜索

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发明名称	METHOD OF MONITORING THE PRESSURE OF FLUSHING FYLUID INSIDE OF DRILLING TOOL WHILE DRILLING
摘要
申请公布号	SU1470944(A1)	申请公布日期	1989.04.07
申请号	SU19874250177	申请日期	1987.03.25
申请人	TYUMENSKIJ INDUSTRIALNYJ I IM.LENINSKOGO KOMSOMOLA	发明人	SAVINYKH YURIJ A,SU;GRACHEV SERGEJ I,SU
分类号	E21B47/06;E21B44/06	主分类号	E21B47/06
代理机构		代理人
主权项
地址

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