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FR1521793A
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Manual method of studying language by symbols and colors
Assignee: Marie-Therese Decherf
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Filing: 1967-05-02
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Granted: 1968-04-19
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Expires: 1987-05-02
Abstract
No abstract record available.
Inventors
- 👤 Marie-Therese Decherf
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 14:16
CPC Classifications
G; G09; G09B; G09B19/00; G09B19/06
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Total Claims: 0
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