Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Sealing disc-en#Sense
Disque d'étanchéité-fr#Sense
Sealing disk-en#Sense
Afdichtingsschuif-nl#Sense
Dichtscheibe-de#Sense
Disco di tenuta-it#Sense
Disco estanque-pt#Sense
Disco de estanquidad-es#Sense
Δίσκος στεγανότητας-el#Sense
Disco sellante-es#Sense