Well logging method and apparatus,申请号US19480057732-传众专利搜索

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发明名称	Well logging method and apparatus
摘要
申请公布号	US2648056(A)	申请公布日期	1953.08.04
申请号	US19480057732	申请日期	1948.11.01
申请人	UNION OIL COMPANY	发明人	JAKOSKY JOHN JAY
分类号	E21B47/08	主分类号	E21B47/08
代理机构		代理人
主权项
地址

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