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FR552409A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to electrical transformers

Assignee: Paul Torche
•
Filing: 1922-06-01
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Granted: 1923-05-01
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Expires: 1942-06-01
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Abstract

No abstract record available.

Inventors

  • 👤 Paul Torche

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-29 11:39
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/32; H01F27/324; H01F27/34; H01F27/36; H01F27/363

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