FR642870A - - Google Patents
Info
- Publication number
- FR642870A FR642870A FR642870DA FR642870A FR 642870 A FR642870 A FR 642870A FR 642870D A FR642870D A FR 642870DA FR 642870 A FR642870 A FR 642870A
- Authority
- FR
- France
- 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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR642870A true FR642870A (de) | 1928-09-06 |
Family
ID=1542724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR642870D Expired FR642870A (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR642870A (de) |
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0
- FR FR642870D patent/FR642870A/fr not_active Expired