Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Palautusilma-fi#Sense
Retorno de ar-pt#Sense
Retourlucht-nl#Sense
Abluft-de#Sense
Return air-en#Sense
Återluft-sv#Sense
Air repris-fr#Sense
Aangezogen lucht-nl#Sense
Αέρας επιστροφής-el#Sense
Aria di ricupero-it#Sense
Returluft-da#Sense