4. Electric lamp and discharge devices
  5. Electrode and shield structures
  6. Filament or resistance heated electrodes
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Electric incandescent lamp

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Electrode coil for discharge lamps and method for producing such

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Electron beam emitter

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Reexamination Certificate

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Electron beam emitter

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Reexamination Certificate

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Electron emitting filaments for electron discharge devices

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Electron gun and electron beam exposure device

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Reexamination Certificate

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Electronic tube with cylindrical electrodes

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Emissive filament and support structure

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Reexamination Certificate

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Energy converter and light source

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Reexamination Certificate

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