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

Harald Koffler

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Clamping circuit

Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...
Patent

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Current supply circuit and method for supplying current to a...

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate

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Measuring the length of a column of fluid in a tube

Measuring and testing – Vibration – By mechanical waves
Patent

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Method for measuring length, and apparatus for implementing the

Measuring and testing – Vibration – Resonance – frequency – or amplitude study
Patent

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Profile ID: LFUS-PAI-P-530122

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