FR63252E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Air-cooled anode for electron tubes
Assignee: Siemens and Halske AG
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Filing: 1952-08-19
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Granted: 1955-09-12
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Expires: 1972-08-19
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 19:37
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/28; H01J19/32; H01J19/36; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0027
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