4. High-voltage switches with arc preventing or extinguishing devic
  5. Arc preventing or extinguishing devices
  6. Vacuum

Ryutaro Yamamoto

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Insulated type switchgear device

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Vacuum
Patent

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Protection system for power receiving station

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

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Starting device for air bag

Land vehicles – Wheeled – Attachment
Patent

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Vacuum type switch gear device having L shaped stationary and mo

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Vacuum
Patent

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Profile ID: LFUS-PAI-P-736964

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