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BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
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BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
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Application filed by BBC Brown Boveri AG Switzerland, BBC Brown Boveri France SAfiledCriticalBBC Brown Boveri AG Switzerland
Application grantedgrantedCritical
Publication of FR603443ApublicationCriticalpatent/FR603443A/fr
F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
F27D11/00—Arrangement of elements for electric heating in or on furnaces
F27D11/02—Ohmic resistance heating
C—CHEMISTRY; METALLURGY
C21—METALLURGY OF IRON
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
C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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Chemical & Material Sciences
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Thermal Sciences
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Materials Engineering
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Organic Chemistry
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General Engineering & Computer Science
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FR603443D1924-10-181925-09-21Procédé et dispositif pour la marche continue de fours à recuire chauffés électriquement
ExpiredFR603443A
(fr)