Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Ventielring-nl#Sense
Virola da válvula-pt#Sense
Valve ferrule-en#Sense
Ghiera della valvola-it#Sense
Κρίκος βαλβίδας-el#Sense
Ventieldop-nl#Sense
Vástago de válvula-es#Sense
Bague de la valve-fr#Sense
Ventilskoning-sv#Sense
Ventilband-de#Sense
Casquilho da válvula-pt#Sense
Venttiilin sidevanne-fi#Sense
Δαχτυλίδι-el#Sense