Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/36
Is Reference of Rettelineal-da#Sense
Afretningsklods-da#Sense
Retskinne-da#Sense
Κανόνας εύθυνσης-el#Sense
Régua de traçar-pt#Sense
Rei-nl#Sense
Regolo per squadrare-it#Sense
Straight-edge-en#Sense
Règle à dresser-fr#Sense
Regla de comprobación de superficies planas-es#Sense