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

Tsutomu Okutomi

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Air-tight ceramic container

Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Patent

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Circuit breaker provided with parallel resistor

Electrical resistors – Mechanically variable – With switch
Patent

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Contact electrode for vacuum interrupter

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

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Contact for a vacuum interrupter

Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Patent

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Contact forming material for a vacuum interrupter

Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
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Profile ID: LFUS-PAI-P-280239

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