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FR586479A Expired / Lapsed FR ⏱️ 0.0 years remaining

Device for fixing interchangeable coils such as those used in radiotelegraph and radiotelephone transmitting and receiving devices allowing the reversal of the electromagnetic field of said coils

Assignee: Marcel Vanwymeersh
•
Filing: 1924-09-24
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Granted: 1925-03-27
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Expires: 1944-09-24
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Abstract

No abstract record available.

Inventors

  • 👤 Marcel Vanwymeersh

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-01 19:48
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/004

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