4. Music
  5. Instruments
  6. Electrical musical tone generation

Paul D. Okulov

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Automatic portable door operating system

Movable or removable closures – With operator for movably mounted closure – Operating lever or link and closure swing about parallel axes
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Balanced rotary internal combustion engine or cycling volume...

Internal-combustion engines – Rotary – With compression – combustion – and expansion in a single...
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Electronic-acoustic guitar with enhanced sound, chord and...

Music – Instruments – Electrical musical tone generation
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Profile ID: LFUS-PAI-P-2806624

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