Patent FR843501A successfully refreshed from Google Patents.
FR843501A
Expired / Lapsed
FR
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Improvements to automatic frequency control circuits
Assignee: RCA Corp
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Filing: 1938-09-15
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Granted: 1939-07-05
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Expires: 1958-09-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 13:26
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/02; H03J7/04
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