Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/66
Is Reference of Gichtgas-de#Sense
Gigtgas-da#Sense
Højovnsgas-da#Sense
Hochofengas-de#Sense
Räjähdysuunikaasu-fi#Sense
Blast furnace gas-en#Sense
Gases de alto forno-pt#Sense
Gaz de haut fournea-fr#Sense