FR1182390A - Safety signs for railways - Google Patents
Safety signs for railwaysInfo
- Publication number
- FR1182390A FR1182390A FR1182390DA FR1182390A FR 1182390 A FR1182390 A FR 1182390A FR 1182390D A FR1182390D A FR 1182390DA FR 1182390 A FR1182390 A FR 1182390A
- Authority
- FR
- France
- Prior art keywords
- railways
- safety signs
- signs
- safety
- 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 vehicle train, e.g. to release brake, to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, 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 vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/10—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using current passing between devices along the route and devices on the vehicle train
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1182390T | 1957-07-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1182390A true FR1182390A (en) | 1959-06-24 |
Family
ID=9662527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1182390D Expired FR1182390A (en) | 1957-07-26 | 1957-07-26 | Safety signs for railways |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1182390A (en) |
-
1957
- 1957-07-26 FR FR1182390D patent/FR1182390A/en not_active Expired
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