Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Fermo-it#Sense
Borgring-nl#Sense
Retainer-en#Sense
Bague de retenue-fr#Sense
Anel de retenção-pt#Sense
Sprengring-de#Sense
Δακτύλιος συγκράτησης-el#Sense