Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Chinese-hoed-kegelklep-nl#Sense
Chinese hat-en#Sense
Obturador cónico-es#Sense
Κωνικός εμφρακτήρ-el#Sense
Otturatore conico-it#Sense
Scheibenventil-de#Sense
Kegleventil-da#Sense
Obturateur conique-fr#Sense
Kägelventil-sv#Sense
Obturador cónico-pt#Sense
Disc-valve-en#Sense
Lautasventtiili-fi#Sense
Válvula de disco-es#Sense