4. Optics: image projectors
  5. Polarizer or interference filter

Friedrich Luellau

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Exposure device for printing plates including digitally...

Photocopying – Projection printing and copying cameras – Image transferred from individual documents to film strip
Reexamination Certificate

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Polariser made from brewster plates

Optics: image projectors – Polarizer or interference filter
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Process and apparatus for photomechanical production of...

Photocopying – Projection printing and copying cameras – Illumination systems or details
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1824284

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