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SKF AB
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Svenska Kullagerfabriken AB
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Publication of FR794088ApublicationCriticalpatent/FR794088A/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
C21D1/18—Hardening; Quenching with or without subsequent tempering
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FR794088D1934-08-241935-08-21Perfectionnements au traitement thermique de l'acier
ExpiredFR794088A
(fr)