JPS494303A - - Google Patents
Info
- Publication number
- JPS494303A JPS494303A JP4438472A JP4438472A JPS494303A JP S494303 A JPS494303 A JP S494303A JP 4438472 A JP4438472 A JP 4438472A JP 4438472 A JP4438472 A JP 4438472A JP S494303 A JPS494303 A JP S494303A
- 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.)
- Pending
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4438472A JPS494303A (da) | 1972-05-04 | 1972-05-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4438472A JPS494303A (da) | 1972-05-04 | 1972-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS494303A true JPS494303A (da) | 1974-01-16 |
Family
ID=12689998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4438472A Pending JPS494303A (da) | 1972-05-04 | 1972-05-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS494303A (da) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025243A (da) * | 1973-03-01 | 1975-03-17 |
-
1972
- 1972-05-04 JP JP4438472A patent/JPS494303A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025243A (da) * | 1973-03-01 | 1975-03-17 |