Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Ατμώδη δηλητηριώδη αέρια-el#Sense
Gifttåge-da#Sense
Gases tóxicos-es#Sense
Vapores tóxicos-es#Sense
Gases venenosos-pt#Sense
Giftnebel-de#Sense
Vaporous poison gases-en#Sense
Gaz de combat vaporeux-fr#Sense