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H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02K—DYNAMO-ELECTRIC MACHINES
H02K99/00—Subject matter not provided for in other groups of this subclass
H02K99/20—Motors
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Engineering & Computer Science
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Power Engineering
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FR1056290D1951-02-081952-02-08Procédé et appareil pour l'entraînement d'un ou plusieurs organes en synchronisme avec un champ magnétique
ExpiredFR1056290A
(fr)