FR424186A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Special electrode for electrolytic valves or transformers from alternating currents to direct currents
Assignee: F DUCRETET ET E ROGER Ste
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Filing: 1910-03-07
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Granted: 1911-05-06
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Expires: 1930-03-07
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
2026-11-04 03:16
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/048
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