FR536632A - - Google Patents
Info
- Publication number
- FR536632A FR536632A FR536632DA FR536632A FR 536632 A FR536632 A FR 536632A FR 536632D A FR536632D A FR 536632DA FR 536632 A FR536632 A FR 536632A
- 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
- 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
- B61L3/08—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 electrically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR536632A true FR536632A (sv) | 1922-05-06 |
Family
ID=1537294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR536632D Expired FR536632A (sv) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR536632A (sv) |
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0
- FR FR536632D patent/FR536632A/fr not_active Expired