4. Specialized metallurgical processes, compositions for use therei
  5. Processes
  6. Producing or purifying free metal powder or producing or...

Toshimasa Fukai

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Bellows for use in vacuum capacitor

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

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Electrode material

Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Powder shape or size characteristics
Patent

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Electromagnetic device

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Reexamination Certificate

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Method for forming an electrical contact material

Specialized metallurgical processes – compositions for use therei – Processes – Producing or purifying free metal powder or producing or...
Patent

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Process for forming contact material including the step of prepa

Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Powder pretreatment
Patent

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Profile ID: LFUS-PAI-P-414682

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