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FR1043772A
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Method and device for creating the sound environment in cinematographic projection rooms
Assignee: Victor Giraud
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Filing: 1951-10-12
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Granted: 1953-11-12
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Expires: 1971-10-12
Abstract
No abstract record available.
Inventors
- 👤 Victor Giraud
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 22:05
CPC Classifications
G; G11; G11B; G11B7/00
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