4. Acoustics
  5. Diaphragm
  6. Critically defined material or coating

Po-An Chuang

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Multi-directional mounting bracket

Supports – Brackets – Adjustable
Reexamination Certificate

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Speaker cabinet

Acoustics – Sound-modifying means – Housing or enclosure
Reexamination Certificate

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Structure for mounting speaker

Supports – Brackets – Specially mounted or attached
Reexamination Certificate

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Synchronous dustproof cover structure for sound membrane

Acoustics – Diaphragm – Critically defined material or coating
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2472753

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