Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Foerderkolben-de#Sense
Émbolo-es#Sense
Porausreiän puhdistin-fi#Sense
Έμβολον-el#Sense
Piston-fr#Sense
Zuiger-nl#Sense
Swab-en#Sense
Pistão-pt#Sense
Pistongkolv-sv#Sense
Pistonierkolben-de#Sense