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

Takanobu Aoyama

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Gas insulated switchgear

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electrical power distribution systems and devices
Patent

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Gas insulated switchgear and power transmission system using the

Electricity: electrical systems and devices – Safety and protection of systems and devices – Feeder protection in distribution networks
Patent

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Gas insulated switchgear apparatus

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electrical power distribution systems and devices
Patent

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Grounding switch

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

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Three-phase combined type gas insulated electrical apparatus

Electricity: conductors and insulators – With fluids or vacuum – Conduits – cables and conductors
Patent

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Profile ID: LFUS-PAI-P-467878

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