Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/4821002
Is Reference of Services de tramp-fr#Sense
Wilde vaart-nl#Sense
Hakurahtiliikenne-fi#Sense
Tramp services-en#Sense
Serviços não-regulares-pt#Sense
Serviços eventuais-pt#Sense
Trampdienste-de#Sense
Tramp vessel services-en#Sense
Servicios en régimen de fletamiento-es#Sense
Servizi con navi da carico non regolari (tramp)-it#Sense
Γραμμές που εκτελούνται από ελεύθερα φορτηγά πλοία (τράμπ)-el#Sense
Tramp trades-en#Sense