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

Benjamin Alex Rosenkrans

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Blade tip for puncturing cupro-nickel seal cup

Electricity: electrical systems and devices – Safety and protection of systems and devices – Load shunting by fault responsive means
Reexamination Certificate

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Method and apparatus for mounting vapor shield in vacuum...

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-2483148

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