Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Filtro selettivo-it#Sense
Zwavelfilter-nl#Sense
Filtro seletivo -pt#Sense
Selective filter-en#Sense
Selektivt filter-da#Sense
Filtro selectivo-es#Sense
Φίλτρο επιλογής-el#Sense
Filtre sélectif-fr#Sense