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High-voltage switches with arc preventing or extinguishing devices

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
218001000 ARC PREVENTING OR EXTINGUISHING DEVICES 350

Patent applications in class High-voltage switches with arc preventing or extinguishing devices

Patent applications in all subclasses High-voltage switches with arc preventing or extinguishing devices