Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Esisuodatin-fi#Sense
Prefilter-en#Sense
Forfilter-da#Sense
Préfiltre-fr#Sense
Pre-filtro-it#Sense
Förfilter-sv#Sense
Prefiltro-es#Sense
Προφίλτρο-el#Sense
Abscheider-de#Sense
Voorfilter-nl#Sense