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Siemens and Halske AG
Siemens Corp
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Siemens and Halske AG
Siemens Corp
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Application filed by Siemens and Halske AG, Siemens CorpfiledCriticalSiemens and Halske AG
Application grantedgrantedCritical
Publication of FR746501ApublicationCriticalpatent/FR746501A/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
C21D1/78—Combined heat-treatments not provided for above
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FR746501D1931-12-071932-11-28Procédé pour le traitement thermique de matières ferromagnétiques tendres
ExpiredFR746501A
(fr)