FR752910A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
New means of controlling a luminous flux and applications
Assignee: Pierre Biquard
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Filing: 1932-07-08
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Granted: 1933-10-03
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Expires: 1952-07-08
Abstract
No abstract record available.
Inventors
- 👤 Pierre Biquard
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 17:28
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/66
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