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

Shih-Chieh Yen

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Apparatus and process for cylindrically grinding workpieces

Abrading – Abrading process
Reexamination Certificate

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Apparatus and process for cylindrically grinding workpieces

Abrading – Abrading process – Combined abrading
Reexamination Certificate

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Apparatus and process for cylindrically grinding workpieces

Abrading – Machine – Rotary tool
Reexamination Certificate

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Apparatus for checking concentricity between lens barrel and...

Optics: measuring and testing – Lens or reflective image former testing – Optical center – cylinder axis – or prism measuring or...
Reexamination Certificate

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Apparatus for cylindrically grinding workpieces

Abrading – Machine – Rotary tool
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2238014

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