Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/1016004
Is Reference of Zilverzoutenprocédé-nl#Sense
DTR process-en#Sense
Procédé DTR-fr#Sense
Sølvhalidproces (DTR)-da#Sense
DTR-proces-da#Sense