FR876462A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for discolouring tinted aluminum plates in the mass with a surface oxide layer
Assignee: Maurice Damien
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Filing: 1941-06-23
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Granted: 1942-11-06
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Expires: 1961-06-23
Abstract
No abstract record available.
Inventors
- 👤 Maurice Damien
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 18:15
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/86
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