Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01H
ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
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33/00
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
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H01H33/04
Means for extinguishing or preventing arc between current-carrying parts
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H01H33/14
Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
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