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

Giacomo Ruspa

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Exhaust silencer for earth moving machines

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

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Method and apparatus for testing the quality of cast iron pieces

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

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Process and apparatus for the quality control inspection of vehi

Measuring and testing – Simulating operating condition – Marine
Patent

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Sound-attenuating ventilation

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

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System for monitoring and indicating acoustically the operating

Communications: electrical – Selective – Having indication or alarm
Patent

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Profile ID: LFUS-PAI-P-167678

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