Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Spärrventil-sv#Sense
Βαλβίδα ακύρωσης-el#Sense
Suppression valve-en#Sense
Valve de suppression-fr#Sense
Kevennysventtiili-fi#Sense
Uitschakelklep-nl#Sense