FR77864E - Coeur de croisement - Google Patents
Coeur de croisementInfo
- Publication number
- FR77864E FR77864E FR824232A FR824232A FR77864E FR 77864 E FR77864 E FR 77864E FR 824232 A FR824232 A FR 824232A FR 824232 A FR824232 A FR 824232A FR 77864 E FR77864 E FR 77864E
- Authority
- FR
- France
- Prior art keywords
- cross heart
- heart
- cross
- 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
- E01B7/00—Switches; Crossings
- E01B7/10—Frogs
- E01B7/12—Fixed frogs made of one part or composite
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR824232A FR77864E (fr) | 1960-04-13 | 1960-04-13 | Coeur de croisement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR824232A FR77864E (fr) | 1960-04-13 | 1960-04-13 | Coeur de croisement |
Publications (1)
Publication Number | Publication Date |
---|---|
FR77864E true FR77864E (fr) | 1962-05-04 |
Family
ID=8729233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR824232A Expired FR77864E (fr) | 1960-04-13 | 1960-04-13 | Coeur de croisement |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR77864E (fr) |
-
1960
- 1960-04-13 FR FR824232A patent/FR77864E/fr not_active Expired
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