Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Kugelmühle-de#Sense
Kogelmolen-nl#Sense
Broyeur à billes-fr#Sense
Kuglemølle-da#Sense
Moinho de bolas-pt#Sense
Χαλικόμυλος-el#Sense
Kuulamylly-fi#Sense
Pebble mill-en#Sense
Kulkvarn-sv#Sense