Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/66
Is Reference of Refractor-nl#Sense
Linse-de#Sense
Refraktor-de#Sense
Refraktor-da#Sense
Rifrattore-it#Sense
Refractor-en#Sense
Linse-da#Sense
Réfracteur-fr#Sense