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Licentia Patent Verwaltungs GmbH
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Licentia Patent Verwaltungs GmbH
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Publication of FR872952ApublicationCriticalpatent/FR872952A/fr
C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
C21D1/76—Adjusting the composition of the atmosphere
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FR872952D1940-06-101941-06-07Procédé d'amélioration de la perméabilité initiale des alliages fersilicium
ExpiredFR872952A
(fr)