bn:03104564n
Noun Concept
Categories: Telephone exchanges
EN
marker
EN
A marker is a type of special purpose control system that was used in electromechanical telephone central office switches. Wikipedia
English:
telecommunications
Definitions
Sources
EN
A marker is a type of special purpose control system that was used in electromechanical telephone central office switches. Wikipedia
A special-purpose computer Wikipedia Disambiguation
Wikidata
EN