Patent FR39690E successfully refreshed from Google Patents.
FR39690E
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FR
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Improvements to assemblies using electronic relays
Assignee: Compagnie Francaise Thomson Houston SA
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Filing: 1931-01-28
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Granted: 1932-02-11
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Expires: 1951-01-28
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 11:30
CPC Classifications
H; H02; H02P; H02P25/00; H02P25/16; H02P25/18
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