Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811001
Is Reference of Polietereterchetone-it#Sense
Polieteretercetona-es#Sense
Polyetheretherketone-en#Sense
Polyetheretherketon-de#Sense
Polyetheretherketon-nl#Sense
Polyétheréthercétone-fr#Sense