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

Tsuneyo Seki

Inventor

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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
Patent

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Contact forming material for a vacuum interrupter

Alloys or metallic compositions – Copper base – Noble metal containing
Patent

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Contact material

Stock material or miscellaneous articles – All metal or with adjacent metals – Having metal particles
Reexamination Certificate

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Profile ID: LFUS-PAI-P-280240

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