JPS4886313A - - Google Patents
Info
- Publication number
- JPS4886313A JPS4886313A JP1637472A JP1637472A JPS4886313A JP S4886313 A JPS4886313 A JP S4886313A JP 1637472 A JP1637472 A JP 1637472A JP 1637472 A JP1637472 A JP 1637472A JP S4886313 A JPS4886313 A JP S4886313A
- 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.)
- Granted
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1637472A JPS5023534B2 (da) | 1972-02-18 | 1972-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1637472A JPS5023534B2 (da) | 1972-02-18 | 1972-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4886313A true JPS4886313A (da) | 1973-11-14 |
| JPS5023534B2 JPS5023534B2 (da) | 1975-08-08 |
Family
ID=11914508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1637472A Expired JPS5023534B2 (da) | 1972-02-18 | 1972-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5023534B2 (da) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5811297A (ja) * | 1981-07-09 | 1983-01-22 | 日本鋼管株式会社 | 小口径管の水平長距離削進工法 |
-
1972
- 1972-02-18 JP JP1637472A patent/JPS5023534B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5811297A (ja) * | 1981-07-09 | 1983-01-22 | 日本鋼管株式会社 | 小口径管の水平長距離削進工法 |
| JPS6234918B2 (da) * | 1981-07-09 | 1987-07-29 | Nippon Kokan Kk |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5023534B2 (da) | 1975-08-08 |