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

Hans Bettge

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Electric vacuum switch

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

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Housing of a vacuum switching tube

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

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Load-break switch having a vacuum interrupter and method of oper

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

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Vacuum switching tube

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

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Vacuum switching tube with a helical current path

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

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Profile ID: LFUS-PAI-P-733686

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