Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6826
Is Reference of Optisk betragtningssystem-da#Sense
Sistema de visão-pt#Sense
Vizier-nl#Sense
Système de visée-fr#Sense
Σύστημα σκόπευσης-el#Sense
Optisk tittglugg-sv#Sense
Visor-pt#Sense
Sistema di visualizzazione-it#Sense
Sistema visor-es#Sense
Optical viewing system-en#Sense
Optisches Betrachtungssystem-de#Sense