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Patent classifications
H
ELECTRICITY
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H02
GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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H02K
DYNAMO-ELECTRIC MACHINES
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21/00
Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
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H02K21/26
with rotating armatures and stationary magnets
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H02K21/28
with armatures rotating within the magnets
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