FR644402A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in safety devices for overvoltages
Assignee: ELEK SCHER und MECHANISCHER AP
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Filing: 1927-11-23
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Granted: 1928-10-08
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Expires: 1947-11-23
Abstract
No abstract record available.
Inventors
- 👤 Adolf Salomon
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 11:34
CPC Classifications
H; H01; H01T; H01T4/00; H01T4/10; H01T4/12
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