LOCKING DEVICE FOR WELL TOOLS,申请号GB19850006659-传众专利搜索

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发明名称	LOCKING DEVICE FOR WELL TOOLS
摘要
申请公布号	GB2158125(B)	申请公布日期	1988.01.27
申请号	GB19850006659	申请日期	1985.03.14
申请人	* OTIS ENGINEERING CORPORATION	发明人	IRME I * GAZDA
分类号	E21B23/02;(IPC1-7):E21B23/02	主分类号	E21B23/02
代理机构		代理人
主权项
地址

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