FR532351A - - Google Patents
Info
- Publication number
- FR532351A FR532351A FR532351DA FR532351A FR 532351 A FR532351 A FR 532351A FR 532351D A FR532351D A FR 532351DA FR 532351 A FR532351 A FR 532351A
- 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
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/12—Visible signals
- B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
- B61L5/189—Light signals; Mechanisms associated therewith, e.g. blinders using flashing light sources
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR532351A true FR532351A (en:Method) | 1922-02-02 |
Family
ID=1537049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR532351D Expired FR532351A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR532351A (en:Method) |
-
0
- FR FR532351D patent/FR532351A/fr not_active Expired