SE7204992L - - Google Patents
Info
- Publication number
- SE7204992L SE7204992L SE7204992A SE7204992A SE7204992L SE 7204992 L SE7204992 L SE 7204992L SE 7204992 A SE7204992 A SE 7204992A SE 7204992 A SE7204992 A SE 7204992A SE 7204992 L SE7204992 L SE 7204992L
- Authority
- SE
- Sweden
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
- B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7204992T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE7204992L true SE7204992L (h) | 1972-10-24 |
Family
ID=43989026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7204992A SE7204992L (h) |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE7204992L (h) |
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0
- SE SE7204992A patent/SE7204992L/xx unknown