Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811001
Is Reference of Olefin-de#Sense
Olefine-nl#Sense
Olefin-en#Sense
Olefina-it#Sense
Olefin-da#Sense
Oléfine-fr#Sense
Olefín-sk#Sense
Olefiini-fi#Sense
Ολεφίνη-el#Sense
Olaifín-ga#Sense