FR34749E - - Google Patents
Info
- Publication number
- FR34749E FR34749E FR34749DA FR34749E FR 34749 E FR34749 E FR 34749E FR 34749D A FR34749D A FR 34749DA FR 34749 E FR34749 E FR 34749E
- 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
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
- B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
- B61L29/288—Wiring diagram of the signal control circuits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR34749E true FR34749E (xx) | 1929-09-19 |
Family
ID=1362620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR34749D Expired FR34749E (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR34749E (xx) |
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0
- FR FR34749D patent/FR34749E/fr not_active Expired