FR50182E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Very heat-resistant steel alloys, with equalized contents, intended for objects which have to have a very high resistance to heat and a high durability
Assignee: Kohle und Eisenforschung GmbH
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Filing: 1939-01-21
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Granted: 1940-01-17
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Expires: 1959-01-21
Abstract
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 15:46
CPC Classifications
C; C22; C22C; C22C38/00
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