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FR503675A
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Mechanical realization of an automatic advertising device
Assignee: CHARLES JEAN ENGEL
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Filing: 1919-08-26
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Granted: 1920-06-16
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Expires: 1939-08-26
Abstract
No abstract record available.
Inventors
- 👤 Georges-Henri Canton
- 👤 Charles-Jean Engel
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 02:25
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/02; G09F11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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