Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Warmbadhaerten-de#Sense
Warm bath hardening-en#Sense
Martêmpera-pt#Sense
Tempra in bagno caldo-it#Sense
Temple isotérmico-es#Sense
Trempe différée martensitique-fr#Sense