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Application filed by Wilhelm Johnsen AsfiledCriticalWilhelm Johnsen As
Priority to DK126643ApriorityCriticalpatent/DK64343C/da
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Publication of DK64343CpublicationCriticalpatent/DK64343C/da
DK126643A1943-05-051943-05-05Anordning ved Jærnkærnespoler, navnlig Massekærnespoler til Højfrekvensbrug, til Fastholdelse af en indstillelig Kærne.
DK64343C
(da)