Patent DE720448C successfully refreshed from Google Patents.
DE720448C
Expired / Lapsed
DE
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Push-pull shortwave tubes with two discharge systems within one piston
Assignee: Telefunken AG
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Filing: 1937-08-26
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Granted: 1942-05-06
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Expires: 1957-08-26
Abstract
No abstract record available.
Inventors
- 👤 Dr Werner Kleen
- 👤 Dr-Ing Horst Rothe
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 15:33
CPC Classifications
H; H01; H01J; H01J21/00; H01J21/20; H01J2893/00; H01J2893/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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