FR51181E - - Google Patents
Info
- Publication number
- FR51181E FR51181E FR51181DA FR51181E FR 51181 E FR51181 E FR 51181E FR 51181D A FR51181D A FR 51181DA FR 51181 E FR51181 E FR 51181E
- 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
- B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
- B61L19/06—Interlocking devices having electrical operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR51181E true FR51181E (zh) | 1941-09-30 |
Family
ID=1363273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR51181D Expired FR51181E (zh) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR51181E (zh) |
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0
- FR FR51181D patent/FR51181E/fr not_active Expired