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BROWN
BBC Brown Boveri AG Germany
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BROWN
Brown Boveri und Cie AG Germany
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Publication of FR646352ApublicationCriticalpatent/FR646352A/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
C21D9/0043—Muffle furnaces; Retort furnaces
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FR646352D1927-12-271927-12-26Four à recuire à blanc, en marche continue, des articles métalliques dans une atmosphère gazeuse
ExpiredFR646352A
(fr)