4. Acoustics
  5. Sound-modifying means
  6. Mechanical vibration attenuator

Bruce E. Walker

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Active control source cancellation and active control...

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

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Hybrid mode-scattering/sound-absorbing segmented liner system an

Acoustics – Sound-modifying means – Mechanical vibration attenuator
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Profile ID: LFUS-PAI-P-1468083

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