FR1089337A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electronic tube with light display
Assignee: Siemens and Halske AG
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Filing: 1953-12-10
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Granted: 1955-03-16
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Expires: 1973-12-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 13:36
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/14
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