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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71/00
Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
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H01H71/10
Operating or release mechanisms
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H01H71/12
Automatic release mechanisms with or without manual release
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H01H71/42
Induction-motor, induced-current, or electrodynamic release mechanisms
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H01H71/43
Electrodynamic release mechanisms
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