Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3226003
Is Reference of Amplificatore a bassa frequenza-it#Sense
Niederfrequenzverstärker-de#Sense
Amplificateur basse fréquence-fr#Sense
Audio frequency amplifier-en#Sense
NV-de#Sense