4. Industrial electric heating furnaces
  5. Arc furnace device
  6. Plural furnace units

Hirotsugu Kubo

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Apparatus for arc-melting cold iron source and method thereof

Industrial electric heating furnaces – Arc furnace device – Charging or discharging
Reexamination Certificate

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Information processing method, information processing...

Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Reexamination Certificate

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Melting furnace having preheating vessel

Industrial electric heating furnaces – Arc furnace device – Plural furnace units
Patent

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Profile ID: LFUS-PAI-P-1722001

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