METHOD OF RECONDITIONING OF TAPER THREADS ,PARTICULARLY, OF LOCKNUT THREADS OF DRILL PIPES,申请号SU19874317407-传众专利搜索

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发明名称	METHOD OF RECONDITIONING OF TAPER THREADS ,PARTICULARLY, OF LOCKNUT THREADS OF DRILL PIPES
摘要
申请公布号	SU1563884(A1)	申请公布日期	1990.05.15
申请号	SU19874317407	申请日期	1987.10.15
申请人	VNII RAZRABOTKI EKSPLUATATSII	发明人	MALINSKIJ FELIKS Z,SU;SHIBAEV VLADISLAV A,SU;KRASNIK EFIM L,SU
分类号	B23P6/00	主分类号	B23P6/00
代理机构		代理人
主权项
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