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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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Filing date
Publication date
Application filed by Alcatel Espana SAfiledCriticalAlcatel Espana SA
Publication of ES179741A1publicationCriticalpatent/ES179741A1/es
Sistema de señalización para circuitos interurbanos en el cual las corrientes de señalización (señales) que corresponden a varios circuitos se agrupan y se transmiten por un circuito o ruta común.
ES0179741A1946-04-181947-09-16UN SISTEMA DE SENALIZACIoN
ExpiredES179741A1
(es)