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ANGUS SNEAD MACDONALD
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ANGUS SNEAD MACDONALD
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Publication of FR515768ApublicationCriticalpatent/FR515768A/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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FR515768A1919-05-101920-05-19Appareil pour le traitement thermique des pièces métalliques
ExpiredFR515768A
(fr)