FR867141A
Expired / Lapsed
FR
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Improvements to electromagnets
Assignee: Ernest Alphonse Derungs
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Filing: 1940-04-23
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Granted: 1941-10-01
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Expires: 1960-04-23
Abstract
No abstract record available.
Inventors
- 👤 Ernest Alphonse Derungs
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 11:58
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/13
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