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Home › Diffusion muffling device, diffusion resonance muffling device, full-frequency diffusion muffling device, muffling system for ventilation channel, and muffling method using the same

Diffusion muffling device, diffusion resonance muffling device, full-frequency diffusion muffling device, muffling system for ventilation channel, and muffling method using the same

US Patent 11536487 · Granted Dec 27, 2022

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