Sound absorption device

Assignee

No assignee recorded.

Inventors

• Tatsuya Goto (40 patents)
• Akihiko Enamito (45 patents)
• Keiki Nagai (3 patents)
• Osamu Nishimura (73 patents)
• Takahiro Hiruma (10 patents)
• Tetsuyuki Doi (29 patents)
• Kensuke Iwanaga (4 patents)

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