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FR1091007A Expired / Lapsed FR ⏱️ 0.0 years remaining

Power supply system for telephone repeaters by coaxial lines

Assignee: Francois Job
•
Filing: 1953-10-08
•
Granted: 1955-04-06
•
Expires: 1973-10-08
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Abstract

No abstract record available.

Inventors

  • 👤 Francois Job
  • 👤 Pierre-Jean-Marie Clavier

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-02 19:13
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/02; H04B3/44

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