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FR33729E Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to fast automatic direct contact circuit breakers

Assignee: Arthur Roullet
•
Filing: 1927-04-08
•
Granted: 1929-02-22
•
Expires: 1947-04-08
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur Roullet

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-27 09:38
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/162

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