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发明名称
DISPOSITIVO ELECTRONICO PERFECCIONADO DE ACCIONAMIENTO AU- TOMATICO PARA REGISTRO Y GRABACION DE LLAMADAS TELEFONICAS.
摘要
申请公布号
ES130668(Y)
申请公布日期
1970.06.16
申请号
ES19670130668U
申请日期
1967.06.15
申请人
MARSA LLORENS
发明人
分类号
G11B
主分类号
G11B
代理机构
代理人
主权项
地址
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