FR2172781B1 - - Google Patents
Info
- Publication number
- FR2172781B1 FR2172781B1 FR7205835A FR7205835A FR2172781B1 FR 2172781 B1 FR2172781 B1 FR 2172781B1 FR 7205835 A FR7205835 A FR 7205835A FR 7205835 A FR7205835 A FR 7205835A FR 2172781 B1 FR2172781 B1 FR 2172781B1
- 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
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/18—Visual or acoustic landing aids
- B64F1/20—Arrangement of optical beacons
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7205835A FR2172781B1 (ru) | 1972-02-22 | 1972-02-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7205835A FR2172781B1 (ru) | 1972-02-22 | 1972-02-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2172781A1 FR2172781A1 (ru) | 1973-10-05 |
FR2172781B1 true FR2172781B1 (ru) | 1976-06-11 |
Family
ID=9093873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7205835A Expired FR2172781B1 (ru) | 1972-02-22 | 1972-02-22 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2172781B1 (ru) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR988491A (fr) * | 1947-08-07 | 1951-08-28 | Westinghouse Electric Corp | Système d'éclairage d'approche pour piste d'atterrissage |
FR983848A (fr) * | 1948-03-31 | 1951-06-28 | Sylvania Electric Prod | Perfectionnements aux systèmes d'éclairage destinés plus particulièrement à l'approche des aérodromes et des ports |
US2797367A (en) * | 1955-11-16 | 1957-06-25 | Westinghouse Electric Corp | Lighting system |
-
1972
- 1972-02-22 FR FR7205835A patent/FR2172781B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2172781A1 (ru) | 1973-10-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |