FR561486A - - Google Patents
Info
- Publication number
- FR561486A FR561486A FR561486DA FR561486A FR 561486 A FR561486 A FR 561486A FR 561486D A FR561486D A FR 561486DA FR 561486 A FR561486 A FR 561486A
- 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
- E01B3/32—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR561486A true FR561486A (forum.php) | 1923-10-23 |
Family
ID=1538883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR561486D Expired FR561486A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR561486A (forum.php) |
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0
- FR FR561486D patent/FR561486A/fr not_active Expired