4. Horology: time measuring systems or devices
  5. Regulating means
  6. For setting

Paul Grand Chavin

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Electronic hour timesetting device for electronic analog timepie

Horology: time measuring systems or devices – Regulating means – For setting
Patent

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Electronic time setting for a quartz analog watch

Horology: time measuring systems or devices – Regulating means – For setting
Patent

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Stepping motor drive circuit for bi-directional rotation

Electricity: motive power systems – Open-loop stepping motor control systems
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Profile ID: LFUS-PAI-P-851261

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