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Budd Induction Heating Inc
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Budd Induction Heating Inc
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Publication of FR918902ApublicationCriticalpatent/FR918902A/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
C21D1/06—Surface hardening
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FR918902D1940-04-111945-09-10Perfectionnements au renforcement des pièces métalliques
ExpiredFR918902A
(fr)