Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6806003
Is Reference of Bilayer glass-en#Sense
Tolagsglas-da#Sense
Vidrio bicamada-pt#Sense
Zweischichtenglas-de#Sense
Cristal de dos láminas-es#Sense
Verre bicouche-fr#Sense
Tweelagig glas-nl#Sense
Vetro a due strati-it#Sense