Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/4816001
Is Reference of Niveauausgleich-de#Sense
Regulador de nivel-es#Sense
Régulateur de niveau-fr#Sense
Levelling device-en#Sense
Niveauregler-de#Sense
Nivåreglering-sv#Sense