Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Konturhærdning-da#Sense
Konturhärdning-sv#Sense
Περιφερειακή σκλήρυνση-el#Sense
Trempe périphérique-fr#Sense
Temple periférico-es#Sense
Overfladehærdning-da#Sense
Contour hardening-en#Sense
Têmpera periférica-pt#Sense