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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H02J7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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H02J7/14 for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
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