4. Optics: eye examining, vision testing and correcting
  5. Eye examining or testing instrument
  6. Objective type

Jianguo Sun

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Apparatus and method for determining characteristics of a human

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent

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Apparatus and method for determining respiratory mechanics...

Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1876040

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