Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/12
Is Reference of DPA-de#Sense
Deutsches Patentamt-de#Sense
German Patent Office-en#Sense
Ufficio tedesco dei brevetti-it#Sense
Office allemand des brevets-fr#Sense
Oficina Alemana de Patentes-es#Sense