Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811001
Is Reference of Polietileno-es#Sense
Polietilene-it#Sense
PE-it#Sense
Polytheen-nl#Sense
Polyethylene-en#Sense
Polyéthène-fr#Sense
Polyeteeni-fi#Sense
Polyetylen-da#Sense
Polyetheen-nl#Sense
Polythene-en#Sense
Polythène-fr#Sense
PE-fi#Sense
Polieteno-pt#Sense
Polyætylen-da#Sense
Polyethyleen-nl#Sense
Polyethene-en#Sense
Polyéthylène-fr#Sense
Polyethylen-de#Sense