4. Acoustics
  5. Sound-modifying means
  6. Muffler, fluid conducting type

Leslie S. Wirt

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Apparatus for the retroreflection of sound

Acoustics – Sound-modifying means – Sound absorbing panels
Patent

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Flow duct sound attenuator

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent

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Method for measuring impedance

Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent

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Noise barrier

Acoustics – Sound-modifying means – Sound absorbing fence or screen
Patent

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Noise barrier

Acoustics – Sound-modifying means – Sound absorbing fence or screen
Patent

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Profile ID: LFUS-PAI-P-304372

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