Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Δικλείδα εκτροπής-el#Sense
Στραγγαλιστική βαλβίδα-el#Sense
Tip plate butterfly valve-en#Sense
Valvola a farfalla-it#Sense
Stortklep-nl#Sense
Papillon-fr#Sense
Diverting valve-en#Sense
Vekselklap-da#Sense
Timón de cambio de vertederas-es#Sense
Wechselklappe-de#Sense