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Individual
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Individual
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Priority to ES7565ApriorityCriticalpatent/ES7565A1/en
Publication of ES7565A1publicationCriticalpatent/ES7565A1/en
ES7565A1887-11-151887-11-15
Improvements introduced in electric motors as well as in electricity generators or dynamo-electric machines.
ExpiredES7565A1
(en)