FR632627A - - Google Patents
Info
- Publication number
- FR632627A FR632627A FR632627DA FR632627A FR 632627 A FR632627 A FR 632627A FR 632627D A FR632627D A FR 632627DA FR 632627 A FR632627 A FR 632627A
- 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
- B61L9/00—Illumination specially adapted for points, form signals, or gates
- B61L9/02—Illumination specially adapted for points, form signals, or gates non-electric
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR632627A true FR632627A (en) | 1928-01-12 |
Family
ID=1541707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR632627D Expired FR632627A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR632627A (en) |
-
0
- FR FR632627D patent/FR632627A/fr not_active Expired