Patent FR40380E successfully refreshed from Google Patents.
FR40380E
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FR
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Apparatus and methods for performing annealing without oxidation of metals
Assignee: Compagnie Francaise Thomson Houston SA
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Filing: 1931-06-18
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Granted: 1932-06-09
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Expires: 1951-06-18
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 15:08
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/561
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