Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Coal drill-en#Sense
Kohlenbohrer-de#Sense
Kolenboor-nl#Sense
Koolboor-nl#Sense
Fleuret au charbon-fr#Sense
Fleuret a la veine-fr#Sense
Ανθρακοτρύπανο-el#Sense