FR593417A - - Google Patents
Info
- Publication number
- FR593417A FR593417A FR593417DA FR593417A FR 593417 A FR593417 A FR 593417A FR 593417D A FR593417D A FR 593417DA FR 593417 A FR593417 A FR 593417A
- 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
- B61L13/00—Operation of signals from the vehicle or by the passage of the vehicle
- B61L13/04—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors
- B61L13/045—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors using separated rail contacts, pedals or similar
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
FR593417A true FR593417A (no) | 1925-08-24 |
Family
ID=1540144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR593417D Expired FR593417A (no) |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR593417A (no) |
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0
- FR FR593417D patent/FR593417A/fr not_active Expired