Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/66
Is Reference of Lumiduc-fr#Sense
Tubo di luce-it#Sense
Sonnenlichtleiter-de#Sense
Guide-lumière-fr#Sense
Solkanal-da#Sense
Solar light well-en#Sense
Zonlichtkoker-nl#Sense
(sol)lyskanal-da#Sense
Condotto di luce-it#Sense