ES402658A3 - Dispositivo de control de grabacion para gravar en cintas magnetofonicas impulsos de llamadas telefonicas y mensajes auditivos.
- Google Patents
Dispositivo de control de grabacion para gravar en cintas magnetofonicas impulsos de llamadas telefonicas y mensajes auditivos.
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AGI BENVENISTE
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AGI BENVENISTE
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ES402658A1972-05-121972-05-12Dispositivo de control de grabacion para gravar en cintas magnetofonicas impulsos de llamadas telefonicas y mensajes auditivos.
ExpiredES402658A3
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