Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Trækkraft i uforstyrret strømning-da#Sense
Tracción-es#Sense
Free air thrust-en#Sense
Spinta in aira libera-it#Sense
Dragkraft i ostörd strömning-sv#Sense
Traction en champ uniforme-fr#Sense
Impulso em ar livre-pt#Sense
Trekkracht in ongestoorde stroming-nl#Sense
Ideeller Schub-de#Sense
Vapaa työntövoima-fi#Sense