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CPC Subgroup
C21C 5/04

Manufacture of hearth-furnace steel, e.g. Siemens-Martin steel

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Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel > Manufacture of hearth-furnace steel, e.g. Siemens-Martin steel

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  • C21C 5/06 Processes yielding slags of special composition