Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831001
Is Reference of Ventilation à double flux-fr#Sense
Ventilation of the double flow type-en#Sense
Be-und Entlueftungsanlage-de#Sense
Luchtaan-en-afvoer-nl#Sense
Ventilazione a doppia portata-it#Sense