JPS4914301A - - Google Patents
Info
- Publication number
- JPS4914301A JPS4914301A JP5534272A JP5534272A JPS4914301A JP S4914301 A JPS4914301 A JP S4914301A JP 5534272 A JP5534272 A JP 5534272A JP 5534272 A JP5534272 A JP 5534272A JP S4914301 A JPS4914301 A JP S4914301A
- 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 |
|---|---|---|---|
| JP5534272A JPS5318962B2 (https=) | 1972-06-02 | 1972-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5534272A JPS5318962B2 (https=) | 1972-06-02 | 1972-06-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4914301A true JPS4914301A (https=) | 1974-02-07 |
| JPS5318962B2 JPS5318962B2 (https=) | 1978-06-17 |
Family
ID=12995820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5534272A Expired JPS5318962B2 (https=) | 1972-06-02 | 1972-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5318962B2 (https=) |
-
1972
- 1972-06-02 JP JP5534272A patent/JPS5318962B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5318962B2 (https=) | 1978-06-17 |