4. Optics: measuring and testing
  5. By polarized light examination
  6. With light attenuation

Alf D. Pettersen

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System and method for determining spatial coordinates

Image analysis – Applications – 3-d or stereo imaging analysis
Reexamination Certificate

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System for point-by-point measuring of spatial coordinates

Optics: measuring and testing – By polarized light examination – With light attenuation
Patent

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System for point-by-point measuring of spatial coordinates

Optics: measuring and testing – By polarized light examination – With light attenuation
Patent

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