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

Ralf-Reiner Volkmar

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Drive unit for switching circuit breakers on and off

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Plural independently operable switches
Reexamination Certificate

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Insulating housing structure with an improved bushing for a cond

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

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Rogowski sensor and method for measuring a current

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Magnetic saturation
Reexamination Certificate

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Vacuum relay with a contact unit located in a vacuum

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

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Profile ID: LFUS-PAI-P-1798078

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