4. Electric heating
  5. Metal heating
  6. By arc

Oh-Jong Kwon

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Automatic pulse plasma welding method and apparatus for...

Electric heating – Metal heating – By arc
Reexamination Certificate

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Flat panel display device

Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
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Shift register and driving circuit of LCD using the same

Computer graphics processing and selective visual display system – Display driving control circuitry
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2995693

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