Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Brennhärten-de#Sense
Durcissement superficiel à la flamme-fr#Sense
Temple a la llama-es#Sense
Flamhärdning-sv#Sense
Temple superficial a la llama-es#Sense
Vlamharding-nl#Sense
Flammhärten-de#Sense
Flammehærdning-da#Sense
Liekkikarkaisu-fi#Sense
Βαφή με φλόγα-el#Sense
Flame hardening-en#Sense