Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Lukket system-da#Sense
Closed water piping system-en#Sense
Geschlossene Warmwasserheizungsanlage-de#Sense
Sealed water system-en#Sense
Calefacción central con depósito de expansión cerrado-es#Sense
Κλειστή θέρμανση νερού-el#Sense
Impianto a vaso di espansione chiuso-it#Sense
Gesloten CV-systeem-nl#Sense
Installation à vase fermé-fr#Sense
Aquecimento central com vaso de expansão fechado-pt#Sense
Centralvarme med lukket vandrørssystem-da#Sense
Installation à vase d'expansion ferme-fr#Sense