FR886286A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Valve for vacuum lines of electric discharge tubes served by pump, in particular for ultramicroscopes
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1942-09-30
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Granted: 1943-10-11
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Expires: 1962-09-30
Abstract
No abstract record available.
Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 14:19
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/02; H01J37/18
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