Patent FR857947A successfully refreshed from Google Patents.
FR857947A
Expired / Lapsed
FR
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Device for adjusting the intensity of the welding current in electric arc welding devices
Assignee: BROWN
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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
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 18:34
CPC Classifications
H; H01; H01F; H01F30/00; H01F30/06; H01F30/12
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