Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Trekschroef-nl#Sense
Dragande propeller-sv#Sense
Hélice trator -pt#Sense
Hélice tractive-fr#Sense
Zugschraube-de#Sense
Trækpropel-da#Sense
Hélice tractora-es#Sense
Vetopotkuri-fi#Sense
Tractor propeller-en#Sense
Ελκτική έλικα-el#Sense
Elica trattiva-it#Sense
Zugpropeller-de#Sense