FR731437A - Hélice aérienne - Google Patents
Hélice aérienneInfo
- Publication number
- FR731437A FR731437A FR731437DA FR731437A FR 731437 A FR731437 A FR 731437A FR 731437D A FR731437D A FR 731437DA FR 731437 A FR731437 A FR 731437A
- Authority
- FR
- France
- Prior art keywords
- aerial propeller
- propeller
- aerial
- 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
- B64C11/20—Constructional features
- B64C11/205—Constructional features for protecting blades, e.g. coating
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE731437X | 1931-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR731437A true FR731437A (fr) | 1932-09-02 |
Family
ID=6638096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR731437D Expired FR731437A (fr) | 1931-02-16 | 1932-02-15 | Hélice aérienne |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR731437A (fr) |
-
1932
- 1932-02-15 FR FR731437D patent/FR731437A/fr not_active Expired
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