Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/4821002
Is Reference of Vedligeholdelse af sejlløbet-da#Sense
Instandhouding van de vaargeul-nl#Sense
Maintien de la passe navigable-fr#Sense
Mantenimento del corso navigabile-it#Sense
Unterhalten des Fahrwassers-de#Sense
Συντήρηση της πλωτής διόδου-el#Sense
Maintenance of the navigable channel-en#Sense