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

William J. Lange

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Vacuum circuit interrupter with on-line vacuum monitoring appara

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

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Vacuum detector

Electricity: measuring and testing – Using ionization effects – For monitoring pressure
Patent

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Vacuum interrupter with simplified enclosure and method of assem

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

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Profile ID: LFUS-PAI-P-889532

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