Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6416001
Is Reference of Aanvullingsoctrooi-nl#Sense
Tillægspatent-da#Sense
Brevet d'addition-fr#Sense
Patent of addition-en#Sense
Adición (a la patente)-es#Sense
Zusatzpatent-de#Sense