FR50275E - - Google Patents
Info
- Publication number
- FR50275E FR50275E FR50275DA FR50275E FR 50275 E FR50275 E FR 50275E FR 50275D A FR50275D A FR 50275DA FR 50275 E FR50275 E FR 50275E
- 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 |
---|---|
FR50275E true FR50275E (cs) | 1940-01-29 |
Family
ID=1363251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR50275D Expired FR50275E (cs) |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR50275E (cs) |
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0
- FR FR50275D patent/FR50275E/fr not_active Expired