Yoshiharu Yotsumoto

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Bellows and vacuum switch using the bellows

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

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Semiconductor rectifier device

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Vacuum exhaust element of vacuum switch

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

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Profile ID: LFUS-PAI-P-1139901

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