Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Sätesventil-sv#Sense
Poppet valve-en#Sense
Βαλβίδα ανυψώσεως-el#Sense
Istukkaventtiili-fi#Sense
Válvula de resorte-es#Sense
Sitzventil-de#Sense
Schotelklep-nl#Sense
Válvula de assento axial-pt#Sense
Sædeventil-da#Sense
Distributeur à clapet-fr#Sense