FR785663A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electron tube
Assignee: MEAF Machinerieen en Apparaten Fabrieken NV
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Filing: 1935-02-14
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Granted: 1935-08-16
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Expires: 1955-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 15:21
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/68; H01J25/70; H01J21/00; H01J21/02; H01J21/06; H01J21/10; H01J21/14; H01J2893/00; H01J2893/0029
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References Cited (Backward Citations)
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