JPS494304A - - Google Patents
Info
- Publication number
- JPS494304A JPS494304A JP4432372A JP4432372A JPS494304A JP S494304 A JPS494304 A JP S494304A JP 4432372 A JP4432372 A JP 4432372A JP 4432372 A JP4432372 A JP 4432372A JP S494304 A JPS494304 A JP S494304A
- 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 |
|---|---|---|---|
| JP4432372A JPS5139761B2 (zh) | 1972-05-04 | 1972-05-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4432372A JPS5139761B2 (zh) | 1972-05-04 | 1972-05-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS494304A true JPS494304A (zh) | 1974-01-16 |
| JPS5139761B2 JPS5139761B2 (zh) | 1976-10-29 |
Family
ID=12688270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4432372A Expired JPS5139761B2 (zh) | 1972-05-04 | 1972-05-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5139761B2 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5041526A (zh) * | 1973-08-17 | 1975-04-16 |
-
1972
- 1972-05-04 JP JP4432372A patent/JPS5139761B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5041526A (zh) * | 1973-08-17 | 1975-04-16 | ||
| JPS564901B2 (zh) * | 1973-08-17 | 1981-02-02 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5139761B2 (zh) | 1976-10-29 |