FR759273A - - Google Patents
Info
- Publication number
- FR759273A FR759273A FR759273DA FR759273A FR 759273 A FR759273 A FR 759273A FR 759273D A FR759273D A FR 759273DA FR 759273 A FR759273 A FR 759273A
- 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
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/18—Railway track circuits
- B61L1/181—Details
- B61L1/182—Use of current of indifferent sort or a combination of different current types
- B61L1/183—Use of means on the vehicle for improving short circuit, e.g. in vehicles with rubber bandages
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR759273A true FR759273A (ja) | 1934-01-31 |
Family
ID=1550951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR759273D Expired FR759273A (ja) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR759273A (ja) |
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0
- FR FR759273D patent/FR759273A/fr not_active Expired