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Priority claimed from DEK5008Dexternal-prioritypatent/DE869348C/de
Application filed by Klangfilm GmbhfiledCriticalKlangfilm Gmbh
Application grantedgrantedCritical
Publication of DK69145CpublicationCriticalpatent/DK69145C/da
DK164044A1943-06-241944-06-07Apparat til overføring af vekselspændinger, navnlig stereofonisk optagne talevekselstrømme, over mindst to kanaler.
DK69145C
(da)