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

Jacob Rengersen

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Shaft furnace having a metal shell, a refractory lining and cool

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

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Taphole construction of a shaft furnace

Heating – Heating or heat retaining work chamber structure – Protected – lined or reinforced melt holding section
Patent

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Profile ID: LFUS-PAI-P-1405334

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