Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Motore a pistone-it#Sense
Motor de émbolo-es#Sense
Moteur à piston-fr#Sense
Zuigerstoommachine-nl#Sense
Kolbenmaschine-de#Sense
Κινητήρας με έμβολο-el#Sense
Stempelmaskine-da#Sense
Motor de êmbolo-pt#Sense
Piston engine-en#Sense
Maskine med stempler-da#Sense