JPS4940201A - - Google Patents
Info
- Publication number
- JPS4940201A JPS4940201A JP8248572A JP8248572A JPS4940201A JP S4940201 A JPS4940201 A JP S4940201A JP 8248572 A JP8248572 A JP 8248572A JP 8248572 A JP8248572 A JP 8248572A JP S4940201 A JPS4940201 A JP S4940201A
- 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 |
|---|---|---|---|
| JP8248572A JPS549562B2 (en:Method) | 1972-08-19 | 1972-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8248572A JPS549562B2 (en:Method) | 1972-08-19 | 1972-08-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4940201A true JPS4940201A (en:Method) | 1974-04-15 |
| JPS549562B2 JPS549562B2 (en:Method) | 1979-04-25 |
Family
ID=13775801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8248572A Expired JPS549562B2 (en:Method) | 1972-08-19 | 1972-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS549562B2 (en:Method) |
-
1972
- 1972-08-19 JP JP8248572A patent/JPS549562B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS549562B2 (en:Method) | 1979-04-25 |