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Patent FR857940A successfully refreshed from Google Patents.
FR857940A
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Automatic control device for electric arc furnaces
Assignee: Louis Grangette
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Filing: 1939-07-18
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Granted: 1940-10-05
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Expires: 1959-07-18
Abstract
No abstract record available.
Inventors
- 👤 Louis Grangette
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 20:12
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/005
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References Cited (Backward Citations)
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