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FR1008033A
Expired / Lapsed
FR
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Improvements to electronic optical devices
Assignee: Secretaire D Etat A La Mari Le
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Filing: 1950-01-06
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Granted: 1952-05-13
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Expires: 1970-01-06
Abstract
No abstract record available.
Inventors
- 👤 Secretaire D Etat A La Mari Le
- 👤 Werner Veith
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 09:48
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/58; H01J29/62; H01J29/622; H01J29/624
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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