Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Fer U-fr#Sense
U Eisen-de#Sense
U gootijzer-nl#Sense
U profielijzer-nl#Sense
U channel iron-en#Sense
Ferro ad U-it#Sense
U section iron-en#Sense
U-jern-da#Sense