Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Válvula a aire-es#Sense
Leaf valve-en#Sense
Klappventil-de#Sense
Air valve-en#Sense
Βάννα αέρος-el#Sense
Válvula pneumática-pt#Sense
Valvola a portella-it#Sense
Valvola per aria-it#Sense
Válvula con llave-es#Sense
Klappventil-sv#Sense
Soupape à air-fr#Sense
Läppäventtiili-fi#Sense
Klapventil-da#Sense