Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2831002
Is Reference of Procédé à densité variable-fr#Sense
Μέθοδος της μεταβλητής πυκνότητος-el#Sense
Variable density type of recording-en#Sense
Verfahren mit veraenderlicher Lichtstaerke-de#Sense
Intensiteitssysteem-nl#Sense
Lydoptagelser af varierende tæthed-da#Sense
Laddersysteem-nl#Sense
Procedimento a densità fissa-it#Sense
Processo de densidade variável-pt#Sense
Procedimiento de densidad variable-es#Sense