JPS4949529B2 - - Google Patents
Info
- Publication number
- JPS4949529B2 JPS4949529B2 JP47130298A JP13029872A JPS4949529B2 JP S4949529 B2 JPS4949529 B2 JP S4949529B2 JP 47130298 A JP47130298 A JP 47130298A JP 13029872 A JP13029872 A JP 13029872A JP S4949529 B2 JPS4949529 B2 JP S4949529B2
- 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)
- Bridges Or Land Bridges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47130298A JPS4949529B2 (en) | 1972-12-28 | 1972-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47130298A JPS4949529B2 (en) | 1972-12-28 | 1972-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4988204A JPS4988204A (en) | 1974-08-23 |
| JPS4949529B2 true JPS4949529B2 (en) | 1974-12-27 |
Family
ID=15030957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47130298A Expired JPS4949529B2 (en) | 1972-12-28 | 1972-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4949529B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4953793B2 (en) * | 2006-12-19 | 2012-06-13 | 酒井工業株式会社 | Fall bridge prevention device |
| JP6801847B2 (en) * | 2016-09-14 | 2020-12-16 | ケイコン株式会社 | Easy construction of tunnel guard passages using L-shaped precast concrete products |
-
1972
- 1972-12-28 JP JP47130298A patent/JPS4949529B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4988204A (en) | 1974-08-23 |