JPS5524553B2 - - Google Patents
Info
- Publication number
- JPS5524553B2 JPS5524553B2 JP8814372A JP8814372A JPS5524553B2 JP S5524553 B2 JPS5524553 B2 JP S5524553B2 JP 8814372 A JP8814372 A JP 8814372A JP 8814372 A JP8814372 A JP 8814372A JP S5524553 B2 JPS5524553 B2 JP S5524553B2
- 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)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8814372A JPS5524553B2 (en:Method) | 1972-09-02 | 1972-09-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8814372A JPS5524553B2 (en:Method) | 1972-09-02 | 1972-09-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4944511A JPS4944511A (en:Method) | 1974-04-26 |
| JPS5524553B2 true JPS5524553B2 (en:Method) | 1980-06-30 |
Family
ID=13934698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8814372A Expired JPS5524553B2 (en:Method) | 1972-09-02 | 1972-09-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5524553B2 (en:Method) |
-
1972
- 1972-09-02 JP JP8814372A patent/JPS5524553B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4944511A (en:Method) | 1974-04-26 |