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Application filed by Thorsten ZweigbergkfiledCriticalThorsten Zweigbergk
Application grantedgrantedCritical
Publication of AT89454BpublicationCriticalpatent/AT89454B/en
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Selbsttätige Aalasseinnchtnug für Elektromotoren.
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Automatic eelass night for electric motors.
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AT89454D1919-01-221919-11-04
Automatic starting device for electric motors.
AT89454B
(en)