Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Volet d'équilibrage-fr#Sense
Aleta de compensación-es#Sense
Balansroder-sv#Sense
Balance flap-en#Sense
Aletta di compensazione-it#Sense
Tasapainotuslaippa-fi#Sense
Ausgleichfläche-de#Sense