UN APARATO PARA TRANSMITIR SEFIALES DE DATOS DESDE UNA PERFORACION DE POZO A LA SUPERFICIE,申请号AR19730248608-传众专利搜索

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发明名称	UN APARATO PARA TRANSMITIR SEFIALES DE DATOS DESDE UNA PERFORACION DE POZO A LA SUPERFICIE
摘要
申请公布号	AR215405(A1)	申请公布日期	1979.10.15
申请号	AR19730248608	申请日期	1973.06.15
申请人	PETROLEUM RES & DEV CORP	发明人
分类号	E21B47/14;E21B47/18;(IPC1-7):G01V1/40	主分类号	E21B47/14
代理机构		代理人
主权项
地址

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