Patent classifications
H
ELECTRICITY
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H02
GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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H02H
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
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5/00
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
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H02H5/08
responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
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H02H5/083
responsive to the entry or leakage of a liquid into an electrical appliance
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