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经营范围
发明名称
PROCEDIMIENTO Y DISPOSITIVO PARA LA ELIMINACION DEL EFECTO LOCAL DE UN PUESTO TELEFONICO.
摘要
申请公布号
ES448685(A1)
申请公布日期
1977.11.16
申请号
ES19850004486
申请日期
1976.06.09
申请人
JEUMONT-SCHNEIDER
发明人
分类号
H04Q11/04;(IPC1-7):04M/
主分类号
H04Q11/04
代理机构
代理人
主权项
地址
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