DEVICE FOR JOINING TURBODRILL SHAFT TO DRILL PIPE SPRING,申请号SU19874218145-传众专利搜索

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发明名称	DEVICE FOR JOINING TURBODRILL SHAFT TO DRILL PIPE SPRING
摘要
申请公布号	SU1465523(A1)	申请公布日期	1989.03.15
申请号	SU19874218145	申请日期	1987.01.20
申请人	PETRUK NIKOLAJ V,SU;GLUSHAKOV ADOLF YA,SU;FEDORENKO PAVEL F,SU;GOROBETS MIKHAIL G,SU	发明人	PETRUK NIKOLAJ V,SU;GLUSHAKOV ADOLF YA,SU;FEDORENKO PAVEL F,SU;GOROBETS MIKHAIL G,SU
分类号	E21B4/00	主分类号	E21B4/00
代理机构		代理人
主权项
地址

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