JPS4920904A - - Google Patents
Info
- Publication number
- JPS4920904A JPS4920904A JP5986072A JP5986072A JPS4920904A JP S4920904 A JPS4920904 A JP S4920904A JP 5986072 A JP5986072 A JP 5986072A JP 5986072 A JP5986072 A JP 5986072A JP S4920904 A JPS4920904 A JP S4920904A
- 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 |
|---|---|---|---|
| JP5986072A JPS522203B2 (en:Method) | 1972-06-15 | 1972-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5986072A JPS522203B2 (en:Method) | 1972-06-15 | 1972-06-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4920904A true JPS4920904A (en:Method) | 1974-02-23 |
| JPS522203B2 JPS522203B2 (en:Method) | 1977-01-20 |
Family
ID=13125343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5986072A Expired JPS522203B2 (en:Method) | 1972-06-15 | 1972-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS522203B2 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5644562U (en:Method) * | 1979-09-14 | 1981-04-22 |
-
1972
- 1972-06-15 JP JP5986072A patent/JPS522203B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS522203B2 (en:Method) | 1977-01-20 |