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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9/00
Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
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H02H9/001
limiting speed of change of electric quantities, e.g. soft switching on or off
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H02H9/004
in connection with live-insertion of plug-in units
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