FR452707A - Traverse de chemins de fer - Google Patents
Traverse de chemins de ferInfo
- Publication number
- FR452707A FR452707A FR452707DA FR452707A FR 452707 A FR452707 A FR 452707A FR 452707D A FR452707D A FR 452707DA FR 452707 A FR452707 A FR 452707A
- Authority
- FR
- France
- Prior art keywords
- railway crossing
- railway
- crossing
- Prior art date
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US452707XA | 1911-12-18 | 1911-12-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR452707A true FR452707A (fr) | 1913-05-22 |
Family
ID=1492894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR452707D Expired FR452707A (fr) | 1911-12-18 | 1912-12-17 | Traverse de chemins de fer |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR452707A (fr) |
-
1912
- 1912-12-17 FR FR452707D patent/FR452707A/fr not_active Expired
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