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Publication of FR766569ApublicationCriticalpatent/FR766569A/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
C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
C21D3/02—Extraction of non-metals
C21D3/04—Decarburising
FR766569D1933-03-301933-03-30Procédé et appareil pour décarboner les matières carbonées
ExpiredFR766569A
(fr)