FR38743E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to electrical energy converters
Assignee: Compagnie Francaise Thomson Houston SA
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Filing: 1930-07-03
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Granted: 1931-07-04
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Expires: 1950-07-03
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
2026-10-31 15:27
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/445
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