Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Spændingstrin-da#Sense
Jänniteporras-fi#Sense
Degrau de tensão-pt#Sense
Βήμα τάσης-el#Sense
Voltage step-en#Sense
Gradino di tensione-it#Sense
Échelon de tension-fr#Sense