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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 FR647727ApublicationCriticalpatent/FR647727A/en
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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FR647727D1926-11-081927-11-07
Operating process for annealing or quenching furnaces for parts worked in series
ExpiredFR647727A
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