JPS5023521B2 - - Google Patents
Info
- Publication number
- JPS5023521B2 JPS5023521B2 JP9007571A JP9007571A JPS5023521B2 JP S5023521 B2 JPS5023521 B2 JP S5023521B2 JP 9007571 A JP9007571 A JP 9007571A JP 9007571 A JP9007571 A JP 9007571A JP S5023521 B2 JPS5023521 B2 JP S5023521B2
- 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.)
- Expired
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9007571A JPS5023521B2 (ja) | 1971-11-11 | 1971-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9007571A JPS5023521B2 (ja) | 1971-11-11 | 1971-11-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4855505A JPS4855505A (ja) | 1973-08-04 |
| JPS5023521B2 true JPS5023521B2 (ja) | 1975-08-08 |
Family
ID=13988390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9007571A Expired JPS5023521B2 (ja) | 1971-11-11 | 1971-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5023521B2 (ja) |
-
1971
- 1971-11-11 JP JP9007571A patent/JPS5023521B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4855505A (ja) | 1973-08-04 |