FR1289147A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Extremely hard material manufacturing process
Assignee: Mitsubishi Heavy Industries Ltd
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Filing: 1961-05-10
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Granted: 1962-03-30
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Expires: 1981-05-10
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 21:30
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/04; C22C1/05; C22C1/051
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