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FR892851A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to reverse-feedback push-pull amplifiers with a coupling impedance in their cathode circuit

Assignee: Telefunken AG
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Filing: 1943-03-25
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Granted: 1944-05-23
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Expires: 1963-03-25
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 15:33
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/34; H03F1/36; H03F3/00; H03F3/26; H03F3/28; H03F3/50; H03F3/52

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