4. Acoustics
  5. Sound-modifying means
  6. Sound absorbing fence or screen

Noriaki Murayama

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Device for controlling a propagation direction of noise

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

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Device for controlling a propagation direction of noise

Railway rolling stock – Sound deadeners
Patent

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Head adjusting disk

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent

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Noise control devices

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

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Profile ID: LFUS-PAI-P-124822

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