Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/48
Is Reference of Undersea pipeline-en#Sense
Undervandstunnel-da#Sense
Transport par conduite sous-marine-fr#Sense
Unterwasser-Rohrbahn-de#Sense
Undervandtransportør-da#Sense
Schwimmende Rohrbahn-de#Sense
Trasporto dentro tubi sottomarini-it#Sense