Percussion core gun construction and cable arrangement,申请号US19900476846-传众专利搜索

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发明名称	Percussion core gun construction and cable arrangement
摘要
申请公布号	US4979576(A)	申请公布日期	1990.12.25
申请号	US19900476846	申请日期	1990.02.08
申请人	HALLIBURTON LOGGING SERVICES, INC.	发明人	BARKER, JAMES M.;TOMEK, MARTIN L.
分类号	E21B49/04	主分类号	E21B49/04
代理机构		代理人
主权项
地址

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