DE525664C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for manufacturing electrical rectifier valves
Assignee: Sueddeutsche Apparate Fabrik GmbH
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Filing: 1928-08-09
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Granted: 1931-05-27
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Expires: 1948-08-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 15:50
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/043; H10D48/042
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