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CARNEGIE STEEL Co
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CARNEGIE STEEL Co
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Application filed by CARNEGIE STEEL CofiledCriticalCARNEGIE STEEL Co
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Publication of FR379482ApublicationCriticalpatent/FR379482A/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
C21D9/42—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for armour plate
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FR379482D1907-07-021907-07-02Plaque de blindage et son procédé de fabrication
ExpiredFR379482A
(fr)