FR854083A
Expired / Lapsed
FR
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Improvements to air navigation devices
Assignee: Lemoigne
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Filing: 1938-12-09
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Granted: 1940-04-04
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Expires: 1958-12-09
Abstract
No abstract record available.
Inventors
- 👤 Lemoigne
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 20:20
CPC Classifications
B; B64; B64C; B64C9/00; B64C9/14; B64C9/146; B64C21/00; B64C21/02; B64C21/08; B64C9/16; B64C9/20; B64C9/22; B64C9/26; B64C2009/143; Y; Y02; Y02T; Y02T50/00; Y02T50/10
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References Cited (Backward Citations)
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