Patent FR39109E successfully refreshed from Google Patents.
FR39109E
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FR
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Process for avoiding surface decarburization in annealing or other hot treatment, especially of steel
Assignee: Fagersta Bruks AB
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Filing: 1930-06-06
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Granted: 1931-09-03
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Expires: 1950-06-06
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 16:34
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/74
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