DRILLING MACHINE ROTATOR,申请号SU19803007266-传众专利搜索

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发明名称	DRILLING MACHINE ROTATOR
摘要
申请公布号	SU939751(A1)	申请公布日期	1982.06.30
申请号	SU19803007266	申请日期	1980.10.13
申请人	SP PK T BYURO	发明人	GUMENNIKOV EVGENIJ S,SU;TE VIKTOR T,SU
分类号	E21B3/02;(IPC1-7):E21C1/02	主分类号	E21B3/02
代理机构		代理人
主权项
地址

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