DRILLING RIG,申请号SU19772562138-传众专利搜索

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发明名称	DRILLING RIG
摘要
申请公布号	SU646024(A1)	申请公布日期	1979.02.05
申请号	SU19772562138	申请日期	1977.12.30
申请人	ANTOSHENKOV VLADIMIR ,SU;VISHNYAKOV GEORGIJ ,SU;VUKKERT ALEKSANDR A,SU;NARINSKIJ ISAAK E,SU;SOLDATOV VIKTOR A,SU;SAPOZHNIKOV IVAN A,SU	发明人	ANTOSHENKOV VLADIMIR ,SU;VISHNYAKOV GEORGIJ ,SU;VUKKERT ALEKSANDR A,SU;NARINSKIJ ISAAK E,SU;SOLDATOV VIKTOR A,SU;SAPOZHNIKOV IVAN A,SU
分类号	E21B7/02;(IPC1-7):E21B7/02	主分类号	E21B7/02
代理机构		代理人
主权项
地址

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