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Application filed by Telegrafingenioer Valdem KraghfiledCriticalTelegrafingenioer Valdem Kragh
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Publication of DK35342CpublicationCriticalpatent/DK35342C/da
Einrichtung zur Umschaltung von Abstimm-Mitteln, insbesondere von in Spulentrommeln angeordneten Spulen in schweren Geräten für drahtlose Nachrichtenübermittlung.