FR822382A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and device for multiple frequency compensation in electroacoustic amplifiers
Assignee: Albert Marie Auguste De M Rene
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Filing: 1936-09-02
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Granted: 1937-12-29
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Expires: 1956-09-02
Abstract
No abstract record available.
Inventors
- 👤 Albert Marie Auguste De M Rene
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 01:30
CPC Classifications
H; H03; H03G; H03G9/00; H03G9/02; H03G9/04; H03G9/06
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