Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/10
Is Reference of Werkgroep "Giftige gassen"-nl#Sense
Groupe de travail Gaz toxiques-fr#Sense
Gruppo di lavoro "Gas tossici"-it#Sense
Arbeitsgruppe Toxische Gase-de#Sense