4. Horology: time measuring systems or devices
  5. Chronological
  6. With mechanical or electromechanical driven display

Jean-Claude Robert-Grandpierre

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Control circuit for a stepping motor

Electricity: motive power systems – Open-loop stepping motor control systems
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Electronic circuit for electronic watch

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
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Electronic digital watch

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Multifunction timepiece

Horology: time measuring systems or devices – Chronological – With mechanical or electromechanical driven display
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Profile ID: LFUS-PAI-P-1013924

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