FR491086A - Perfectionnements aux indicateurs de l'état de l'acier, du fer ou d'un métal magnétisable quelconque au cours d'un traitement à chaud
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Perfectionnements aux indicateurs de l'état de l'acier, du fer ou d'un métal magnétisable quelconque au cours d'un traitement à chaud
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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
C21D11/00—Process control or regulation for heat treatments
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FR491086A1917-11-031918-07-29Perfectionnements aux indicateurs de l'état de l'acier, du fer ou d'un métal magnétisable quelconque au cours d'un traitement à chaud
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(fr)