4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Holger Kral

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Behind-the-ear hearing aid with audio shoe which can be...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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Method for producing a microphone module for a hearing aid...

Metal working – Method of mechanical manufacture – Electrical device making
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Profile ID: LFUS-PAI-P-2268711

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