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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
C21D5/00—Heat treatments of cast-iron
C21D5/04—Heat treatments of cast-iron of white cast-iron
C21D5/06—Malleabilising
C21D5/14—Graphitising
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FR982249D1949-03-021949-03-02Procédé permettant de graphitiser localement les fontes
ExpiredFR982249A
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