FR1309652A
Expired / Lapsed
FR
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Cinematographic projection device
Assignee: Guillaume De Walsch
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Filing: 1962-01-03
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Granted: 1962-11-16
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Expires: 1982-01-03
Abstract
No abstract record available.
Inventors
- 👤 Guillaume De Walsch
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 17:02
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/50
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References Cited (Backward Citations)
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