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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alcatel Espana SAfiledCriticalAlcatel Espana SA
Publication of ES183490A1publicationCriticalpatent/ES183490A1/es
Mejoras en sistemas eléctricos de señalización que comprenden medios para responder a una señal entrante y medios para transmitir una señal de reconocimiento parcial o totalmente durante la recepción de una señal entrante.
ES0183490A1947-04-291948-04-28MEJORAS EN O RELATIVAS A SISTEMAS ELÉCTRICOS DE SENALIZACIoN
ExpiredES183490A1
(es)