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Publication of DE296463CpublicationCriticalpatent/DE296463C/de
H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
Einrichtung zur Unterdrueckung von Rueckzuendungen in Quecksilberdampfgleichrichtern durch in jede Anodenzuleitung eingebaute Ohmsche Widerstaende, die nur bei Rueckzuendung an der betreffenden Anode durch schnell wirkende Rueckstromrelais selbsttaetig eingeschaltet werden