FR853981A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process and installation of heat treatment of metallurgical parts
Assignee: Maurice Jean Alexi Dembiermont
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Filing: 1938-11-30
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Granted: 1940-04-02
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Expires: 1958-11-30
Abstract
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Inventors
- 👤 Maurice Jean Alexi Dembiermont
Bibliographic Details
Application Number
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Jurisdiction
FR
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2026-11-02 21:18
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