Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ducati Elettrotecnica SpA
Original Assignee
Ducati Elettrotecnica SpA
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Filing date
Publication date
Application filed by Ducati Elettrotecnica SpAfiledCriticalDucati Elettrotecnica SpA
Priority to ES0234809ApriorityCriticalpatent/ES234809A3/es
Publication of ES234809A3publicationCriticalpatent/ES234809A3/es
Interconnected Communication Systems, Intercoms, And Interphones
(AREA)
Abstract
Perfeccionamiento en los aparatos para intercomunicación a viva voz, caracterizado por el hecho de que dos puestos principales uno puede ser llamado por uno o más derivados, dichos principales siendo intercomunicantes entre ellos y pudiendo ambos llamar a cualquier derivado.
ES0234809A1957-04-111957-04-11PERFECCIONAMIENTOS EN LOS APARATOS PARA INTERCOMUNICACIoN A VIVA VOZ
ExpiredES234809A3
(es)