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FR509133A
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Improvements to Cinematographic and Other Apparatus Using Films
Assignee: JULES PERREY
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Filing: 1920-01-26
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Granted: 1920-11-02
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Expires: 1940-01-26
Abstract
No abstract record available.
Inventors
- 👤 Jules Perrey
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 11:41
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/43
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Total Claims: 0
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References Cited (Backward Citations)
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