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C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22C—ALLOYS
C22C38/00—Ferrous alloys, e.g. steel alloys
C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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FR700451D1929-08-131930-08-12Procédé de fabrication d'objets en acier à haute résistance à la formation de criques et de batitures
ExpiredFR700451A
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