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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31/00
Air-break switches for high tension without arc-extinguishing or arc-preventing means
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H01H31/04
Interlocking mechanisms
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H01H31/06
for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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