FR921456A - Propeller refinements - Google Patents
Propeller refinementsInfo
- Publication number
- FR921456A FR921456A FR921456DA FR921456A FR 921456 A FR921456 A FR 921456A FR 921456D A FR921456D A FR 921456DA FR 921456 A FR921456 A FR 921456A
- Authority
- FR
- France
- Prior art keywords
- refinements
- propeller
- propeller refinements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/16—Blades
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR921456T | 1945-11-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR921456A true FR921456A (en) | 1947-05-08 |
Family
ID=9436182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR921456D Expired FR921456A (en) | 1945-11-15 | 1945-11-15 | Propeller refinements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR921456A (en) |
-
1945
- 1945-11-15 FR FR921456D patent/FR921456A/en not_active Expired
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