JPS5020773B2 - - Google Patents
Info
- Publication number
- JPS5020773B2 JPS5020773B2 JP222472A JP222472A JPS5020773B2 JP S5020773 B2 JPS5020773 B2 JP S5020773B2 JP 222472 A JP222472 A JP 222472A JP 222472 A JP222472 A JP 222472A JP S5020773 B2 JPS5020773 B2 JP S5020773B2
- 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
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP222472A JPS5020773B2 (en) | 1971-12-28 | 1971-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP222472A JPS5020773B2 (en) | 1971-12-28 | 1971-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4871039A JPS4871039A (en) | 1973-09-26 |
| JPS5020773B2 true JPS5020773B2 (en) | 1975-07-17 |
Family
ID=11523368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP222472A Expired JPS5020773B2 (en) | 1971-12-28 | 1971-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5020773B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52171833U (en) * | 1976-06-21 | 1977-12-27 | ||
| JPS531930U (en) * | 1976-06-24 | 1978-01-10 | ||
| JPS531926U (en) * | 1976-06-24 | 1978-01-10 | ||
| JPS57209395A (en) * | 1981-06-18 | 1982-12-22 | Kanto Denki Koji | Steel sheet pile for excavating tunnel, cutting nose thereof can be detached |
| JP7025375B2 (en) * | 2019-06-13 | 2022-02-24 | 誠 植村 | Open shield machine |
-
1971
- 1971-12-28 JP JP222472A patent/JPS5020773B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4871039A (en) | 1973-09-26 |