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ROCKEFELLER MOTOR C
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ROCKEFELLER MOTOR C
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Publication of FR481802ApublicationCriticalpatent/FR481802A/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
C21D1/62—Quenching devices
C21D1/673—Quenching devices for die quenching
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FR481802D1915-08-111916-05-19Procédé et appareil pour tremper et faconner le métal
ExpiredFR481802A
(fr)