4. Music
  5. Instruments
  6. General features

Shinji Kumano

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Keyboard apparatus for musical instrument

Music – Instruments – General features
Patent

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Keyboard apparatus in electronic musical instrument

Music – Instruments – General features
Patent

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Keyboard apparatus of electronic musical instrument

Music – Instruments
Patent

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Keyboard apparatus with common stopper for key and hammer

Music – Instruments – General features
Patent

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Keyboard apparatus with white keys and black keys having action

Music – Instruments – General features
Patent

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Profile ID: LFUS-PAI-P-77161

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