FR29978E - - Google Patents
Info
- Publication number
- FR29978E FR29978E FR29978DA FR29978E FR 29978 E FR29978 E FR 29978E FR 29978D A FR29978D A FR 29978DA FR 29978 E FR29978 E FR 29978E
- 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
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0094—Recorders on the vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR29978E true FR29978E (cs) | 1925-12-11 |
Family
ID=1362294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR29978D Expired FR29978E (cs) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR29978E (cs) |
-
0
- FR FR29978D patent/FR29978E/fr not_active Expired