4. Optical: systems and elements
  5. Lens
  6. Selective magnification by exchanging or adding a lens...

Youichi Hirabayashi

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Optical magnification adjustment system and projection...

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Reexamination Certificate

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Optical magnification adjustment system and projection...

Photocopying – Projection printing and copying cameras – Distortion introducing or rectifying
Reexamination Certificate

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Projection exposure device and position alignment device and...

Optics: measuring and testing – By alignment in lateral direction – With registration indicia
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2692194

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