4. Heating
  5. Work chamber having heating means
  6. Having means by which work is progressed or moved mechanically

Natsuo Ishiwata

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Method for discharging reduced product from a movable-hearth...

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

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Method for discharging reduced product from a movable-hearth...

Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2839429

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