Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3611
Is Reference of Overheadprojektor-da#Sense
Lavagna luminosa-it#Sense
Retroprojetor-pt#Sense
Overheadprojector-nl#Sense
Schreibprojektor-de#Sense
Retroproyector-es#Sense
Retroproiettore-it#Sense
Επιδιασκόπιο-el#Sense
Rétroprojecteur-fr#Sense
Overhead-Projektor-de#Sense
Proyector de transparencias-es#Sense
Overhead projector-en#Sense