Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6416001
Is Reference of Nutzungspatent-de#Sense
Anvendelsespatent-da#Sense
Brevet d'utilisation-fr#Sense
Brevet d'usage-fr#Sense
Brevetto d'uso-it#Sense
Usage patent-en#Sense