Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Droit préférentiel-fr#Sense
Vorzugszoll-de#Sense
Arancel preferencial-es#Sense
Dazio preferenziale-it#Sense
Präferenzzoll-de#Sense
Preferential duty-en#Sense
Preferential tariff-en#Sense