Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/36
Is Reference of Standardtrekant-da#Sense
Équerre-étalon-fr#Sense
Πρότυπο ορθογώνιο-el#Sense
Esquadro-padrão-pt#Sense
Standaardhaak-nl#Sense
Normalwinkel-de#Sense
Escuadra patrón-es#Sense
Standard set square-en#Sense
Squadra-campione-it#Sense