JPS5520830Y2 - - Google Patents
Info
- Publication number
- JPS5520830Y2 JPS5520830Y2 JP1975146988U JP14698875U JPS5520830Y2 JP S5520830 Y2 JPS5520830 Y2 JP S5520830Y2 JP 1975146988 U JP1975146988 U JP 1975146988U JP 14698875 U JP14698875 U JP 14698875U JP S5520830 Y2 JPS5520830 Y2 JP S5520830Y2
- Authority
- JP
- Japan
- 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
Landscapes
- Railway Tracks (AREA)
- Retaining Walls (AREA)
- Road Paving Structures (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975146988U JPS5520830Y2 (da) | 1975-10-30 | 1975-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975146988U JPS5520830Y2 (da) | 1975-10-30 | 1975-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5260107U JPS5260107U (da) | 1977-05-02 |
| JPS5520830Y2 true JPS5520830Y2 (da) | 1980-05-19 |
Family
ID=28626664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1975146988U Expired JPS5520830Y2 (da) | 1975-10-30 | 1975-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5520830Y2 (da) |
-
1975
- 1975-10-30 JP JP1975146988U patent/JPS5520830Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5260107U (da) | 1977-05-02 |