4. Electric lamp and discharge devices
  5. With temperature modifier
  6. Using liquids or fluid flow directing means

Jens Pollmann-Retsch

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Discharge lamp having cooling means

Electric lamp and discharge devices – With temperature modifier – Using liquids or fluid flow directing means
Reexamination Certificate

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Lighting assembly and method of operating a discharge lamp

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
Reexamination Certificate

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Lighting unit

Illumination – Light source and modifier – With ventilating – cooling or heat insulating means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3156019

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