Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Ονομαστική τάση αναφοράς-el#Sense
Voltaje normalizado-es#Sense
Tensione di riferimento-it#Sense
Tensión de referencia-es#Sense
Tarkistusjännite-fi#Sense
Vertailujännite-fi#Sense
Reference voltage standard-en#Sense
Bezugsspannung-de#Sense
Tension de référence-fr#Sense
Referentiespanning-nl#Sense
Tensão de referência-pt#Sense