Patent classifications
H
ELECTRICITY
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H02
GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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H02J
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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3/00
Circuit arrangements for AC mains or AC distribution networks
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H02J3/28
Arrangements for balancing of the load in a network by storage of energy
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H02J3/30
using dynamo-electric machines coupled to flywheels
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