FR742011A - - Google Patents
Info
- Publication number
- FR742011A FR742011A FR742011DA FR742011A FR 742011 A FR742011 A FR 742011A FR 742011D A FR742011D A FR 742011DA FR 742011 A FR742011 A FR 742011A
- 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
- B61L13/00—Operation of signals from the vehicle or by the passage of the vehicle
- B61L13/04—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors
- B61L13/042—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors using isolated rail sections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742011A true FR742011A (zh) | 1933-02-24 |
Family
ID=1546470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742011D Expired FR742011A (zh) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742011A (zh) |
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0
- FR FR742011D patent/FR742011A/fr not_active Expired