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Renault SAS
Regie Nationale des Usines Renault
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Renault SAS
Regie Nationale des Usines Renault
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Publication of FR1158974ApublicationCriticalpatent/FR1158974A/en
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
C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
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FR1158974D1956-10-041956-10-04
Manufacturing process for high tenacity metal rings
ExpiredFR1158974A
(en)