4. Optics: measuring and testing
  5. Lens or reflective image former testing
  6. Focal length measuring

Otto Trotscher

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Digital focimeter and method

Optics: measuring and testing – Lens or reflective image former testing – Focal length measuring
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Refractometer for the automatic objective determination of the r

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
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Profile ID: LFUS-PAI-P-1576911

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