4. Measuring and testing
  5. With fluid pressure
  6. Dimension, shape, or size

John D. Evans, Jr.

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Device for improving the accuracy of optical measuring apparatus

Optics: measuring and testing – By configuration comparison – With photosensitive film or plate
Patent

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Method and apparatus for determining cigarette filter rod pressu

Measuring and testing – With fluid pressure – Dimension – shape – or size
Patent

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Profile ID: LFUS-PAI-P-1799801

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