Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Norm-nl#Sense
Fernsehnorm-de#Sense
Televisienorm-nl#Sense
Televisiestandard-nl#Sense
Abtastnorm-de#Sense
Pickup standard-en#Sense
Norme de télévision-fr#Sense