FR506022A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Stereoscope for stereoscopic tapes
Assignee: Individual
•
Filing: 1919-01-11
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Granted: 1920-08-12
•
Expires: 1939-01-11
Abstract
No abstract record available.
Inventors
- 👤 Jules Richard
- 👤 Louis-Joseph-Emmanue Colardeau
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 17:36
CPC Classifications
G; G02; G02B; G02B30/00; G02B30/20; G02B30/34
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References Cited (Backward Citations)
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