DRILL PIPE FOR ELECTRIC VIBRATION DRILLING,申请号SU19742023389-传众专利搜索

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发明名称	DRILL PIPE FOR ELECTRIC VIBRATION DRILLING
摘要
申请公布号	SU572563(A1)	申请公布日期	1977.09.15
申请号	SU19742023389	申请日期	1974.05.16
申请人	SP PK T BYURO PO ELEKTROVIBROBUROVOJ TEKHNIKE	发明人	FOKIN VLADIMIR S,SU;VUL DAVID E,SU;NEZDYMOVSKIJ VLADIMIR A,SU;MINDLIN MARK G,SU;BOLOTIN EVGENIJ M,SU
分类号	E21B17/00;(IPC1-7):E21B17/00;E21B3/10	主分类号	E21B17/00
代理机构		代理人
主权项
地址

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