Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Αγωγός βοηθητικού ελέγχου-el#Sense
Styreledning-da#Sense
Styrledning-sv#Sense
Conduite de pilotage-fr#Sense
Steuerleitung-de#Sense
Esiohjausjohto-fi#Sense
Conduta de pilotagem-pt#Sense
Stuurleiding-nl#Sense
Pilot control line-en#Sense
Conducto para control por piloto-es#Sense