Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Telefunken Patentverwertungs GmbH
Original Assignee
Telefunken Patentverwertungs GmbH
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Filing date
Publication date
Application filed by Telefunken Patentverwertungs GmbHfiledCriticalTelefunken Patentverwertungs GmbH
Priority to ES217959ApriorityCriticalpatent/ES217959A3/es
Publication of ES217959A3publicationCriticalpatent/ES217959A3/es
Improvements in or relating to means for sound reproduction by means ofa plurality of sound sources operating partly as primary, partly as secondary sources