Patent FR928855A successfully refreshed from Google Patents.
FR928855A
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FR
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Telephone relay
Assignee: DIFFUSIONS MODERNES
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Filing: 1946-05-07
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Granted: 1947-12-10
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Expires: 1966-05-07
Abstract
No abstract record available.
Inventors
- 👤 Lucien Petitetienne
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 23:38
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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