DE905762C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of secondary emission layers
Assignee: Siemens Corp
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Filing: 1940-10-31
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Granted: 1954-03-04
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Expires: 1960-10-31
Abstract
No abstract record available.
Inventors
- 👤 Dr Gottwalt Wetterer
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 17:41
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/12; H01J9/125; H01J2201/00; H01J2201/32
Claims Analysis
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References Cited (Backward Citations)
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