Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Sistema de depuración de aguas-es#Sense
Kläranlage-de#Sense
Σύστημα επεξεργασίας του νερού-el#Sense
Système d'épuration des eaux-fr#Sense
Water treatment system-en#Sense
Sistema di depurazione delle acque-it#Sense
Vandoprensningssystem-da#Sense
Waterzuiveringssysteem-nl#Sense