JPS521762B2 - - Google Patents
Info
- Publication number
- JPS521762B2 JPS521762B2 JP12396272A JP12396272A JPS521762B2 JP S521762 B2 JPS521762 B2 JP S521762B2 JP 12396272 A JP12396272 A JP 12396272A JP 12396272 A JP12396272 A JP 12396272A JP S521762 B2 JPS521762 B2 JP S521762B2
- 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12396272A JPS521762B2 (en:Method) | 1972-12-12 | 1972-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12396272A JPS521762B2 (en:Method) | 1972-12-12 | 1972-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4982005A JPS4982005A (en:Method) | 1974-08-07 |
| JPS521762B2 true JPS521762B2 (en:Method) | 1977-01-18 |
Family
ID=14873629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12396272A Expired JPS521762B2 (en:Method) | 1972-12-12 | 1972-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS521762B2 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3837774C1 (en:Method) * | 1988-11-08 | 1990-05-31 | Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen, De |
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1972
- 1972-12-12 JP JP12396272A patent/JPS521762B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4982005A (en:Method) | 1974-08-07 |