4. Optical: systems and elements
  5. Lens
  6. With support

Tsang-Huai Chang

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Lens switch apparatus

Optical: systems and elements – Lens – With support
Patent

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Paper-feeding mechanism for a document duplicating machine

Sheet feeding or delivering – Feeding – Separator and conveyor
Patent

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Paper-loading mechanism for a document duplicating machine

Sheet feeding or delivering – Feeding – Pack holders
Patent

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Transmission mechanism for optical scanner

Facsimile and static presentation processing – Facsimile – Picture signal generator
Reexamination Certificate

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Profile ID: LFUS-PAI-P-216802

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