4. Electricity: motive power systems
  5. Automatic and/or with time-delay means
  6. Movement, position, or limit-of-travel

Helmut Betsch

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Illuminating device

Illumination – Light source and modifier – With ventilating – cooling or heat insulating means
Patent

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Windshield wiper speed control arrangement

Electricity: motive power systems – Periodic – repetitious or successive operations control of...
Patent

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Wiper installation for motor vehicles

Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Patent

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Profile ID: LFUS-PAI-P-970171

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