Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6611001
Is Reference of Tecnica di estrazione-it#Sense
Technology employed in exploiting-en#Sense
Winningstechniek-nl#Sense
Erschließungstechnologie-de#Sense
Technologie d'exploitation-fr#Sense
Med udvindelse forbunden teknologi-da#Sense