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Home › Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker

Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker

US Patent 8230966 · Granted Jul 31, 2012

Estimated economic value: $75,000 ⓘ

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