FR1079880A
Expired / Lapsed
FR
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Resonant directional couplers
Assignee: Georges-Robert-Pierr Marie
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Filing: 1953-03-23
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Granted: 1954-12-03
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Expires: 1973-03-23
Abstract
No abstract record available.
Inventors
- 👤 Georges-Robert-Pierr Marie
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 23:22
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/20; H01P1/213; H01P1/2138; H01P1/215; H01P1/217
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