4. Measuring and testing
  5. Frictional resistance, coefficient or characteristics

Jerome M. Welner

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Slip friction measurement and recording apparatus

Measuring and testing – Frictional resistance – coefficient or characteristics
Patent

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Spectral analyzer and direction indicator

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Patent

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Spectral analyzer and direction indicator

Optics: measuring and testing – For optical fiber or waveguide inspection
Patent

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System and method for detection and identification of laser wave

Optics: measuring and testing – By shade or color – With color transmitting filter
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Profile ID: LFUS-PAI-P-39232

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