FR864090A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Educational game for teaching chemistry
Assignee: Lucien Charles Gustav Sedillon
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Filing: 1940-03-14
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Granted: 1941-04-17
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Expires: 1960-03-14
Abstract
No abstract record available.
Inventors
- 👤 Lucien Charles Gustav Sedillon
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 17:54
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/26
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