4. Communications: electrical
  5. Audible indication
  6. Percussion-type sound producer

Paul Heusinkveld

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Binder for perforated sheets

Binder device releasably engaging aperture or notch of sheet – Resilient sheet retainer requiring deflection for sheet removal – Opposed sheet retainers
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Keyboard for one-hand operation

Communications: electrical – Audible indication – Percussion-type sound producer
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Profile ID: LFUS-PAI-P-1893761

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