JPS4917301A - - Google Patents
Info
- Publication number
- JPS4917301A JPS4917301A JP5731272A JP5731272A JPS4917301A JP S4917301 A JPS4917301 A JP S4917301A JP 5731272 A JP5731272 A JP 5731272A JP 5731272 A JP5731272 A JP 5731272A JP S4917301 A JPS4917301 A JP S4917301A
- 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
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5731272A JPS5143001B2 (https=) | 1972-06-10 | 1972-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5731272A JPS5143001B2 (https=) | 1972-06-10 | 1972-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4917301A true JPS4917301A (https=) | 1974-02-15 |
| JPS5143001B2 JPS5143001B2 (https=) | 1976-11-19 |
Family
ID=13052031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5731272A Expired JPS5143001B2 (https=) | 1972-06-10 | 1972-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5143001B2 (https=) |
-
1972
- 1972-06-10 JP JP5731272A patent/JPS5143001B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5143001B2 (https=) | 1976-11-19 |