FR45066E - Dromo-pétard à répétition - Google Patents
Dromo-pétard à répétitionInfo
- Publication number
- FR45066E FR45066E FR45066DA FR45066E FR 45066 E FR45066 E FR 45066E FR 45066D A FR45066D A FR 45066DA FR 45066 E FR45066 E FR 45066E
- Authority
- FR
- France
- Prior art keywords
- dromo
- firecracker
- repeating
- repeating dromo
- 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
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/20—Audible signals, e.g. detonator audible signalling
- B61L5/22—Devices for initiating the release of detonators in a certain position of a signal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR45066T | 1934-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR45066E true FR45066E (fr) | 1935-05-29 |
Family
ID=8680837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR45066D Expired FR45066E (fr) | 1934-07-19 | 1934-07-19 | Dromo-pétard à répétition |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR45066E (fr) |
-
1934
- 1934-07-19 FR FR45066D patent/FR45066E/fr not_active Expired
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