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Puffer circuit breaker with an overpressure valve

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Air-current blowout
Reexamination Certificate

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Puffer circuit-breaker having a pneumatically-locked semi-moving

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Air-current blowout
Patent

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Puffer switch having a two-volume break chamber

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Air-current blowout
Reexamination Certificate

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Puffer type circuit breaker with arcing chamber, auxiliary shunt

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

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Puffer type circuit interrupter with improved blast valve and pe

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Air-current blowout
Patent

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Puffer type gas circuit breaker

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Air-current blowout
Reexamination Certificate

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Puffer type gas circuit breaker

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Air-current blowout
Patent

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Puffer-type circuit breaker and nozzle emitting gas with coaxial

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Air-current blowout
Patent

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