4. Electrical audio signal processing systems and devices
  5. Hearing aids, electrical
  6. Programming interface circuitry
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Damper for hearing aid

Electrical audio signal processing systems and devices – Hearing aids – electrical – Programming interface circuitry
Patent

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Device for adapting at least one acoustic hearing aid

Electrical audio signal processing systems and devices – Hearing aids – electrical – Programming interface circuitry
Reexamination Certificate

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Digitally programmable hearing aid communicable with external ap

Electrical audio signal processing systems and devices – Hearing aids – electrical – Programming interface circuitry
Patent

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