FR613991A - - Google Patents
Info
- Publication number
- FR613991A FR613991A FR613991DA FR613991A FR 613991 A FR613991 A FR 613991A FR 613991D A FR613991D A FR 613991DA FR 613991 A FR613991 A FR 613991A
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/20—Rotorcraft characterised by having shrouded rotors, e.g. flying platforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
FR613991A true FR613991A (de) | 1926-12-03 |
Family
ID=1540963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR613991D Expired FR613991A (de) |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR613991A (de) |
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0
- FR FR613991D patent/FR613991A/fr not_active Expired