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Application filed by Philips NvfiledCriticalPhilips Nv
Application grantedgrantedCritical
Publication of AT140669BpublicationCriticalpatent/AT140669B/de
AT140669D1932-11-171933-10-20Schaltung zur Erzielung einer gleichmäßigen Verstärkung und Selektivität über einen großen Frequenz-bereich.
AT140669B
(de)