FR667387A
Expired / Lapsed
FR
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Improvements to frequency stabilizers
Assignee: Charles-Louis Florisson
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Filing: 1928-04-19
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Granted: 1929-10-16
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Expires: 1948-04-19
Abstract
No abstract record available.
Inventors
- 👤 Charles-Louis Florisson
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 23:46
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/09
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