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Gleason Works
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Publication of FR552463ApublicationCriticalpatent/FR552463A/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
C21D9/0056—Furnaces through which the charge is moved in a horizontal straight path
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FR552463D1922-04-051922-06-02Perfectionnements aux fours pour la forge, la trempe, le recuit et les traitements thermiques analogues
ExpiredFR552463A
(fr)
Un método indicativo, y su correspondiente aparato, para averiguar el estado del acero, del hierro u otro metal magnetizable durante su tratamiento por el calor.