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C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22C—ALLOYS
C22C33/00—Making ferrous alloys
C22C33/04—Making ferrous alloys by melting
C22C33/06—Making ferrous alloys by melting using master alloys
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FR328266D1903-01-051903-01-05Perfectionnements dans ou relatifs à la production d'alliages de fer ou d'acier avec d'autres métaux
ExpiredFR328266A
(fr)