FR636493A - - Google Patents
Info
- Publication number
- FR636493A FR636493A FR636493DA FR636493A FR 636493 A FR636493 A FR 636493A FR 636493D A FR636493D A FR 636493DA FR 636493 A FR636493 A FR 636493A
- 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 |
|---|---|
| FR636493A true FR636493A (xx) | 1928-04-10 |
Family
ID=1542348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR636493D Expired FR636493A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR636493A (xx) |
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0
- FR FR636493D patent/FR636493A/fr not_active Expired