4. Measuring and testing
  5. Vibration
  6. By mechanical waves

Joseph Ernest Dryer

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Electronic signature management method

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate

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Method for measuring ultrasonic transit times

Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2798785

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