4. Electric lamp and discharge devices
  5. Photosensitive
  6. Secondary emitter type

Klaas W. Kerkhof

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Device for rendering a cable longitudinally watertight

Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Extrusion shaping means
Patent

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Electron tube having electrode and insulator components with mat

Electric lamp and discharge devices – Photosensitive – Secondary emitter type
Patent

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Organic electroluminescent device

Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-728126

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