FR623953A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Incandescent cathode for discharge tubes
Assignee: Siemens Reiniger Veifa Gesellschaft fuer Medizinische Technik mbH
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Filing: 1926-10-30
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Granted: 1927-07-05
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Expires: 1946-10-30
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 22:35
CPC Classifications
H; H01; H01J; H01J35/00; H01J35/02; H01J35/04; H01J35/06; H01J35/066
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