Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/10
Is Reference of Gruppo di lavoro " Acciai speciali "-it#Sense
Groupe de travail " Aciers spéciaux "-fr#Sense
Arbejdsgruppe vedrørende Specialstål-da#Sense
Arbeitsgruppe " Edelstahl "-de#Sense
Werkgroep Speciaal Staal-nl#Sense
Working Party on Special Steels-en#Sense