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FR910133A
Expired / Lapsed
FR
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thermionic emitter
Assignee: COMPTOIR DES CENDRES ET METAUX
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Filing: 1945-01-10
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Granted: 1946-05-28
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Expires: 1965-01-10
Abstract
No abstract record available.
Inventors
- 👤 Siegfried Klein
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 16:03
CPC Classifications
H; H01; H01J; H01J27/00; H01J27/02; H01J27/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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