GUIDE OF A BORING DEVICE,申请号YU19800000599-传众专利搜索

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发明名称	GUIDE OF A BORING DEVICE
摘要
申请公布号	YU40241(B)	申请公布日期	1985.08.31
申请号	YU19800000599	申请日期	1980.03.04
申请人	GPNII NIKELEVO-KOBALTOVII OLOVYANOI PROMYSHLENOSTI	发明人	MORZ V.M.;LEZIN N.Y.;PAVLOV T.A.;ILMENSKY V.V
分类号	E21B7/02;E21B17/00;(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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