Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3606002
Is Reference of Return beam vidicon-da#Sense
Λυχνία vidicon επιστρέφουσας δέσμης-el#Sense
Vidicon à retour de faisceau-fr#Sense
VRF-fr#Sense
RBV-en#Sense
Vidicon con haz explorador restituido al catodo-es#Sense
RBV-da#Sense
Return beam vidicon-en#Sense