APPARATUS FOR DISCONNECTOR OF DRILL PIPE STRING,申请号SU19792855267-传众专利搜索

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发明名称	APPARATUS FOR DISCONNECTOR OF DRILL PIPE STRING
摘要
申请公布号	SU941554(A1)	申请公布日期	1982.07.07
申请号	SU19792855267	申请日期	1979.12.21
申请人	VNI PK I GEOFIZICHESKIKH ISSLEDOVANIJ GEOLOGORAZVEDOCHNYKH SKVAZHIN	发明人	KLAUZER VIKTOR D,SU;DMITRYUKOV YURIJ YU,SU;AFANASEV EVGENIJ YA,SU
分类号	E21B17/043;E21B47/00;(IPC1-7):E21B47/00;E21B17/04	主分类号	E21B17/043
代理机构		代理人
主权项
地址

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