FR1031008A - Perfectionnements aux dispositifs de chauffage par courant à haute fréquence, notamment pour la trempe des dents d'engrenages
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Perfectionnements aux dispositifs de chauffage par courant à haute fréquence, notamment pour la trempe des dents d'engrenages
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PARTIOT CEMENTATION ATEL
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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
C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
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FR1031008D1951-01-151951-01-15Perfectionnements aux dispositifs de chauffage par courant à haute fréquence, notamment pour la trempe des dents d'engrenages
ExpiredFR1031008A
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