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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H01H33/60
Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
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H01H33/662
Housings or protective screens
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H01H33/66207
Specific housing details, e.g. sealing, soldering or brazing
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H01H2033/66223
Details relating to the sealing of vacuum switch housings
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