4. Illumination
  5. Light source and modifier
  6. Plural serial lens elements or components

Depu Chin

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Focusable spotlight with a negative lens

Illumination – Light source and modifier – Plural serial lens elements or components
Reexamination Certificate

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Spotlight with an adjustable angle of radiation and with an...

Illumination – Light source and modifier – Plural serial lens elements or components
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2536755

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