FR632502A - - Google Patents
Info
- Publication number
- FR632502A FR632502A FR632502DA FR632502A FR 632502 A FR632502 A FR 632502A FR 632502D A FR632502D A FR 632502DA FR 632502 A FR632502 A FR 632502A
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
- E01B3/36—Composite sleepers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR632502A true FR632502A (en) | 1928-01-11 |
Family
ID=1541589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR632502D Expired FR632502A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR632502A (en) |
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0
- FR FR632502D patent/FR632502A/fr not_active Expired