APPARATUS FOR DRILLING WELLS,申请号SU19833541505-传众专利搜索

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发明名称	APPARATUS FOR DRILLING WELLS
摘要
申请公布号	SU1084382(A1)	申请公布日期	1984.04.07
申请号	SU19833541505	申请日期	1983.01.18
申请人	VNI PK I GORNORUDNOGO MASHINOSTROENIYA	发明人	GLADKOV BORIS I,SU;RAVTSOV MIKHAIL V,SU
分类号	E02F5/18;E21D1/06;(IPC1-7):E02F5/18	主分类号	E02F5/18
代理机构		代理人
主权项
地址

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