Patent classifications
H
ELECTRICITY
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H02
GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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H02N
ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
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2/00
Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
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H02N2/18
producing electrical output from mechanical input, e.g. generators
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H02N2/188
adapted for resonant operation
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