FR549016A - - Google Patents
Info
- Publication number
- FR549016A FR549016A FR549016DA FR549016A FR 549016 A FR549016 A FR 549016A FR 549016D A FR549016D A FR 549016DA FR 549016 A FR549016 A FR 549016A
- 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
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR549016A true FR549016A (it) | 1923-01-31 |
Family
ID=1538226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR549016D Expired FR549016A (it) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR549016A (it) |
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0
- FR FR549016D patent/FR549016A/fr not_active Expired