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Publication of NL6615909ApublicationCriticalpatent/NL6615909A/xx
Publication of NL154895BpublicationCriticalpatent/NL154895B/xx
H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L12/00—Data switching networks
H04L12/02—Details
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Monitoring And Testing Of Exchanges
(AREA)
Interface Circuits In Exchanges
(AREA)
NL666615909A1965-11-171966-11-10Schakeling voor het vangen van door storingen veroorzaakte oproepen in verreschrijf- en telefoonstelsels.
NL154895B
(nl)