FR38706E - Perfectionnements à la fabrication d'outils et d'instruments coupants, et acier de composition spéciale pour cette fabrication
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Perfectionnements à la fabrication d'outils et d'instruments coupants, et acier de composition spéciale pour cette fabrication
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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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FR38706D1930-05-261930-05-26Perfectionnements à la fabrication d'outils et d'instruments coupants, et acier de composition spéciale pour cette fabrication
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