Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831
Is Reference of Gereinigter Asphalt-de#Sense
Refined asphalt-en#Sense
Asfalto raffinato-it#Sense
Asphalte raffiné-fr#Sense
Asfalto depurado-es#Sense