4. Photography
  5. With viewfinder

Kyoko Yamaguchi

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Eyepiece

Photography – With viewfinder
Patent

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Optical system having an optical element made of resin

Optical: systems and elements – Compound lens system – Telescope
Patent

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Suction apparatus of multi-cylinder internal combustion engine

Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Reexamination Certificate

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Zoom finder optical system

Optical: systems and elements – Compound lens system – Telescope
Patent

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Profile ID: LFUS-PAI-P-159353

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