Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Kokerprofiel-nl#Sense
Hollow section-en#Sense
Putkipalkki-fi#Sense
Section creuse-fr#Sense
Hultværsnit-da#Sense
Sezione cava-it#Sense
Hohlquerschnitt-de#Sense
Κοίλη διατομή-el#Sense
Konstruktionsrör-sv#Sense
Sección hueca-es#Sense