FR705155A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to air navigation devices
Assignee: Louis Bechereau
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Filing: 1930-11-05
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Granted: 1931-06-02
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Expires: 1950-11-05
Abstract
No abstract record available.
Inventors
- 👤 Louis Bechereau
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 23:22
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/38; B64C3/44; B64C3/50
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References Cited (Backward Citations)
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