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

Gerd Kummerow

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Arcing chamber with perforated plates of sieve-like ceramics

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

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Low voltage circuit breaker having a two part insulating housing

Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent

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Power drive for electric switchgear in which driving power is el

Machine element or mechanism – Mechanical movements – Reciprocating to or from oscillating
Patent

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System for monitoring the operating condition of a switch to pre

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific quantity comparison means
Patent

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Profile ID: LFUS-PAI-P-179864

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