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Birlec Ltd
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Birlec Ltd
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Publication of FR917879ApublicationCriticalpatent/FR917879A/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
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FR917879D1943-11-221945-11-21Perfectionnements au, ou relatifs au traitement thermique de métaux ou alliages
ExpiredFR917879A
(fr)