Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Gas de respiración-es#Sense
Arbeitsgas-de#Sense
Respiration-fr#Sense
Gas activo-es#Sense
Nutzgas-de#Sense
Current gas-en#Sense
Working gas-en#Sense
Gaz utile-fr#Sense
Lagret gas-da#Sense
Active gas-en#Sense
Forbrugsgas-da#Sense
Aktivgas-de#Sense