FR980312A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Twin-blade propellers and rotary airfoils with split effect
Assignee: AEROPLANES H POTEZ
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Filing: 1943-01-25
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Granted: 1951-05-10
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Expires: 1963-01-25
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 08:26
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/46; B64C11/48
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