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

Karen M. Pirrallo

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Method and apparatus for ultrasonic inspection

Measuring and testing – Vibration – By mechanical waves
Patent

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Optimum motor speed control system

Electricity: motive power systems – Plural diverse motor controls – Running-speed control
Patent

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Optimum motor speed control system

Electricity: motive power systems – Plural diverse motor controls – Motor-reversing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1123794

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