FR1047583A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Propeller refinements
Assignee: Roger Manceau
•
Filing: 1952-01-08
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Granted: 1953-12-15
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Expires: 1972-01-08
Abstract
No abstract record available.
Inventors
- 👤 Roger Manceau
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 22:46
CPC Classifications
B; B64; B64C; B64C11/00
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