4. Electric lamp and discharge devices
  5. Discharge devices having three or more electrodes
  6. Discharge control electrode

Gerald Johannes Sermund

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Electron beam generator with magnetic cathode-protection unit

Electric lamp and discharge devices – Discharge devices having three or more electrodes – Discharge control electrode
Patent

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Method and device to control an engraving device

Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1250855

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