Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Pakokaasun kierrätys-fi#Sense
Gasåtercirkulation; återcirkulering av gaser-sv#Sense
Recirculation des gaz-fr#Sense
Επανακυκλοφορία (του) αερίου-el#Sense
Recirkulation af gas-da#Sense
Recirculação de gases-pt#Sense
Gas recirculation-en#Sense
Hercirculatie van gas-nl#Sense