Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/5211003
Is Reference of Reduced gross tonnage-en#Sense
Verminderde brutotonnage-nl#Sense
Vähennetty bruttovetoisuus-fi#Sense
Stazza lorda ridotta-it#Sense
Jauge brute réduite-fr#Sense