4. Metallurgical apparatus
  5. Means for treating ores or for extracting metals
  6. By means applying heat to work, e.g., furnace

Heung Won Kang

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3-Stage fluidized bed type fine iron ore reducing apparatus havi

Metallurgical apparatus – Means for treating ores or for extracting metals – By means applying heat to work – e.g. – furnace
Patent

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Apparatus for manufacturing molten pig iron and reduced iron...

Metallurgical apparatus – Geographic or structural installation
Reexamination Certificate

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Two step twin-single fluidized bed pre-reduction apparatus...

Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1339720

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