JPS4997434A - - Google Patents
Info
- Publication number
- JPS4997434A JPS4997434A JP12942772A JP12942772A JPS4997434A JP S4997434 A JPS4997434 A JP S4997434A JP 12942772 A JP12942772 A JP 12942772A JP 12942772 A JP12942772 A JP 12942772A JP S4997434 A JPS4997434 A JP S4997434A
- 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 |
|---|---|---|---|
| JP12942772A JPS561437B2 (https=) | 1972-12-25 | 1972-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12942772A JPS561437B2 (https=) | 1972-12-25 | 1972-12-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4997434A true JPS4997434A (https=) | 1974-09-14 |
| JPS561437B2 JPS561437B2 (https=) | 1981-01-13 |
Family
ID=15009213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12942772A Expired JPS561437B2 (https=) | 1972-12-25 | 1972-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS561437B2 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57108398A (en) * | 1980-11-15 | 1982-07-06 | Gewerk Eisenhuette Westfalia | Method and apparatus for excavating underground structure by messer shield |
-
1972
- 1972-12-25 JP JP12942772A patent/JPS561437B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57108398A (en) * | 1980-11-15 | 1982-07-06 | Gewerk Eisenhuette Westfalia | Method and apparatus for excavating underground structure by messer shield |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS561437B2 (https=) | 1981-01-13 |