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发明名称
MEDIOS Y METODOS PARA TRANSMITIR UNA SENAL PULSANTE DE IN- FORMACION CON ALTO CONTEO A TRAVES DE UNA TABLA CORRIENTE DEBITACORA DE POZO
摘要
申请公布号
GT197538167(A)
申请公布日期
1977.02.18
申请号
GT19750038167
申请日期
1975.08.28
申请人
发明人
分类号
E21B47/12;G01V5/04;H03K5/02;(IPC1-7):G01V5/04
主分类号
E21B47/12
代理机构
代理人
主权项
地址
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