4. Music
  5. Instruments
  6. Stringed

Ernst Zacharias

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Key board system for an electronic musical instrument

Music – Instruments
Patent

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Mouth organ

Music – Instruments – Wind
Patent

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Mouth organ

Music – Instruments – Wind
Patent

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Stringed instrument with keyboard, of the clavichord type

Music – Instruments – Stringed
Patent

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Profile ID: LFUS-PAI-P-812406

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