FR759423A - - Google Patents
Info
- Publication number
- FR759423A FR759423A FR759423DA FR759423A FR 759423 A FR759423 A FR 759423A FR 759423D A FR759423D A FR 759423DA FR 759423 A FR759423 A FR 759423A
- 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
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/02—Electric devices associated with track, e.g. rail contacts
- B61L1/04—Electric devices associated with track, e.g. rail contacts mechanically actuated by a part of the vehicle
- B61L1/045—Electric devices associated with track, e.g. rail contacts mechanically actuated by a part of the vehicle actuated by fluid-pressure
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR759423A true FR759423A (es) | 1934-02-01 |
Family
ID=1550958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR759423D Expired FR759423A (es) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR759423A (es) |
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0
- FR FR759423D patent/FR759423A/fr not_active Expired