Patent FR56137E successfully refreshed from Google Patents.
FR56137E
Expired / Lapsed
FR
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Improvement in high-precision automatic tuning systems for the frequencies of a radio-wave transmitter or receiver
Assignee: SOC IND DES PROCEDES LOTH
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Filing: 1944-04-28
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Granted: 1952-09-17
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Expires: 1964-04-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 20:05
CPC Classifications
H; H03; H03B; H03B21/00; H03B21/01; H03B21/02
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