Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/16
Is Reference of Tussenproducten van de nikkelmetallurgie-nl#Sense
Mellemprodukter fra nikkelfremstillingen-da#Sense
Produits intermédiaires de la métallurgie de nickel-fr#Sense
Intermediate products of nickel metallurgy-en#Sense