4. Electricity: circuit makers and breakers
  5. Liquid contact
  6. Time delay

Franz Watzke

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Contact piece for an electric vacuum switch

Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent

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Device for preventing uncontrolled acceleration of an...

Elevator – industrial lift truck – or stationary lift for vehicle – Having specific means contacting or on load support for... – Includes movable contact component on support for engaging...
Reexamination Certificate

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Gas discharge arrester and method of manufacture

Electric lamp and discharge devices – Fluent material supply or flow directing means – Lightning or surge arrester
Patent

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Profile ID: LFUS-PAI-P-1111019

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