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FR545152A
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FR
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Improvements made in the establishment of variable-pitch propellers
Assignee: Marcel Billon
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Filing: 1921-11-17
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Granted: 1922-10-06
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Expires: 1941-11-17
Abstract
No abstract record available.
Inventors
- 👤 Marcel Billon
- 👤 Francois Dufay
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 17:18
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/32; B64C11/34; B64C11/343
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Total Claims: 0
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