Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6611002
Is Reference of Kunstkorundum-nl#Sense
Τεχνητό κορούνδιο-el#Sense
Corindon artificiel-fr#Sense
Corindone artificiale-it#Sense
Artificial corundum-en#Sense