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

Jukka Lekkala

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Measuring device, rock breaking device and method of...

Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specified load or strain transmission device from specimen...
Reexamination Certificate

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Method and equipment for attenuating sound in a duct

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Within duct
Reexamination Certificate

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Sensor for measuring acceleration and sound pressure

Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2088109

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