FR532625A - Device against railway accidents - Google Patents
Device against railway accidentsInfo
- Publication number
- FR532625A FR532625A FR532625DA FR532625A FR 532625 A FR532625 A FR 532625A FR 532625D A FR532625D A FR 532625DA FR 532625 A FR532625 A FR 532625A
- Authority
- FR
- France
- Prior art keywords
- device against
- railway accidents
- against railway
- accidents
- railway
- Prior art date
- 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
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR532625T | 1921-03-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR532625A true FR532625A (en) | 1922-02-08 |
Family
ID=8924662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR532625D Expired FR532625A (en) | 1921-03-23 | 1921-03-23 | Device against railway accidents |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR532625A (en) |
-
1921
- 1921-03-23 FR FR532625D patent/FR532625A/en not_active Expired
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