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Roulements a Aiguilles SA
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Roulements a Aiguilles SA
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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
C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
C21D1/06—Surface hardening
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FR1207014D1958-05-281958-05-28Procédé et dispositif pour le traitement thermique sélectif de pièces mécaniques et pièces en résultant
ExpiredFR1207014A
(fr)