FR890736A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to very shortwave transmission devices
Assignee: Telefunken AG
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Filing: 1943-02-04
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Granted: 1944-02-16
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Expires: 1963-02-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 21:02
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/14; H01Q15/22
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