Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3226
Is Reference of Linjevælger-da#Sense
Lijnkiezersysteem-nl#Sense
Fernsprechwählsystem-de#Sense
PABX system-en#Sense
Sistema di selezione-it#Sense
Sélecteur de ligne-fr#Sense