Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/4821002
Is Reference of Niet-brandbare leiding-nl#Sense
Άκαυστος αγωγός-el#Sense
Gaine non combustible-fr#Sense
Conducto incombustible-es#Sense
Non-combustible duct-en#Sense
Condotta non combustibile-it#Sense