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Siemens Schuckertwerke AG
Siemens Corp
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Siemens Schuckertwerke AG
Siemens Corp
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Application filed by Siemens Schuckertwerke AG, Siemens CorpfiledCriticalSiemens Schuckertwerke AG
Application grantedgrantedCritical
Publication of FR663977ApublicationCriticalpatent/FR663977A/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
C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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FR663977D1928-03-261928-11-15Dispositif réfrigérant pour les fours à recuire les pièces nues
ExpiredFR663977A
(fr)