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Publication of LU39200A1publicationCriticalpatent/LU39200A1/xx
C21B13/00—Making spongy iron or liquid steel, by direct processes
C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
