FR520856A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to electrical distribution systems
Assignee: Compagnie Francaise Thomson Houston SA
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Filing: 1920-07-22
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Granted: 1921-07-02
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Expires: 1940-07-22
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 22:55
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/22; H02K19/24
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