Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2011
Is Reference of Bureau international des tarifs douaniers-fr#Sense
ICTB-fr#Sense
ICTB-en#Sense
ICTB-es#Sense
Oficina Internacional de Aranceles Aduaneros-es#Sense
International Customs Tariff Bureau-en#Sense