Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Valaistustekniikka-fi#Sense
Lichttechnik-de#Sense
Illuminotecnica-it#Sense
Belysningsteknik-sv#Sense
Belysningsteknik-da#Sense
Luminotecnia-pt#Sense
Lighting technology-en#Sense
Φωτοτεχνία-el#Sense
Éclairagisme-fr#Sense
Verlichtingstechniek-nl#Sense
Illuminating engineering-en#Sense
Luminotecnia-es#Sense