FR856157A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Multi-stage, negative feedback coupling amplifier
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1939-06-13
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Granted: 1940-06-03
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Expires: 1959-06-13
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 15:08
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/34; H03F1/36
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