Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2846001
Is Reference of Ouvrant de ventilation-fr#Sense
Ventilatievleugel-nl#Sense
Ventilationsvindue-da#Sense
Lüftungsflügel-de#Sense
Battente di ventilazione-it#Sense
Ventilation flap-en#Sense