Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Polibutileno-pt#Sense
Polybuteeni-fi#Sense
Polybutylène-fr#Sense
Polybuteen-nl#Sense
Polybutylen-da#Sense
Polibutileno-es#Sense
Polybutylene-en#Sense
Polibutilene-it#Sense
Polybutylen-de#Sense
Polybutylen-sv#Sense
Πολυβουτυλένιο-el#Sense