Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Polyisobutylène-fr#Sense
Polyisobuteeni-fi#Sense
Polyisobutylen-de#Sense
Polyisobutylen-da#Sense
Polyisobutylene-en#Sense
Poli-isobuteno-pt#Sense
Polyisobutylen-sv#Sense
Πολυισοβουτυλένιο-el#Sense
Polyisobutyleen-nl#Sense