Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Valbodemplaat-nl#Sense
Válvula com fundo de alçapão-pt#Sense
Valvola con fondo a botola-it#Sense
Válvula-es#Sense
Laskupohja-fi#Sense
Soupape-fr#Sense
Fallboden-de#Sense
Nedsjunken botten-sv#Sense
Kαλούπι πυθμένος(φιάλης)-el#Sense
Drop bottom plate-en#Sense