FR954413A
Expired / Lapsed
FR
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Variable lift, aspirated profile helicopter rotor system
Assignee: Office National d'Études et de Recherches Aérospatiales
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Filing: 1947-07-28
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Granted: 1949-12-26
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Expires: 1967-07-28
Abstract
No abstract record available.
Inventors
- 👤 Henri Girerd
- 👤 Philippe Poisson-Quinton
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 02:05
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/04; B64C27/12; B64C27/16; B64C27/18
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