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Priority to SE8402731ApriorityCriticalpatent/SE441410B/sv
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Publication of SE441410BpublicationCriticalpatent/SE441410B/sv
Mehrere gleichzeitig und wahlweise mit gleich- oder wechselstrom betriebene motoren mit verbund- oder reihenschluss-erregerwicklungen und schaltungsvorrichtung zur synchronisationssteuerung