FR52331E - - Google Patents
Info
- Publication number
- FR52331E FR52331E FR52331DA FR52331E FR 52331 E FR52331 E FR 52331E FR 52331D A FR52331D A FR 52331DA FR 52331 E FR52331 E FR 52331E
- 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
- E01B7/00—Switches; Crossings
- E01B7/02—Tongues; Associated constructions
- E01B7/08—Other constructions of tongues, e.g. tilting about an axis parallel to the rail, movable tongue blocks or rails
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR52331E true FR52331E (da) | 1944-02-01 |
Family
ID=1363322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR52331D Expired FR52331E (da) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR52331E (da) |
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0
- FR FR52331D patent/FR52331E/fr not_active Expired