Patent DE577480C successfully refreshed from Google Patents.
DE577480C
Expired / Lapsed
DE
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Magnetic sound carrier
Assignee: Telefunken AG
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Filing: 1929-08-10
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Granted: 1933-05-31
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Expires: 1949-08-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 17:31
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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