4. Optics: measuring and testing
  5. Refraction testing

Vilnis E. Kubulins

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Elevated airfield runway and taxiway edge-lights utilizing...

Illumination – Light fiber – rod – or pipe – Illuminating or display apparatus
Reexamination Certificate

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Hemispherical double reflection optical sensor

Optics: measuring and testing – Refraction testing
Patent

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Profile ID: LFUS-PAI-P-2005675

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