Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/10
Is Reference of Arbejdsgruppe vedrørende Jern- og Manganmalmminer-da#Sense
Gruppo di lavoro " Miniere di ferro e di manganese "-it#Sense
Working Party on Iron Ore and Manganese Mines-en#Sense
Werkgroep IJzer- en mangaanertsmijnen-nl#Sense
Groupe de travail " Mines de fer et de manganèse "-fr#Sense
Arbeitsgruppe " Eisen- und Manganerzgruben "-de#Sense