JPS4897302A - - Google Patents
Info
- Publication number
- JPS4897302A JPS4897302A JP3001272A JP3001272A JPS4897302A JP S4897302 A JPS4897302 A JP S4897302A JP 3001272 A JP3001272 A JP 3001272A JP 3001272 A JP3001272 A JP 3001272A JP S4897302 A JPS4897302 A JP S4897302A
- 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
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3001272A JPS5129681B2 (en:Method) | 1972-03-24 | 1972-03-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3001272A JPS5129681B2 (en:Method) | 1972-03-24 | 1972-03-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4897302A true JPS4897302A (en:Method) | 1973-12-12 |
| JPS5129681B2 JPS5129681B2 (en:Method) | 1976-08-27 |
Family
ID=12291940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3001272A Expired JPS5129681B2 (en:Method) | 1972-03-24 | 1972-03-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5129681B2 (en:Method) |
-
1972
- 1972-03-24 JP JP3001272A patent/JPS5129681B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5129681B2 (en:Method) | 1976-08-27 |