JPS4889503A - - Google Patents
Info
- Publication number
- JPS4889503A JPS4889503A JP2178672A JP2178672A JPS4889503A JP S4889503 A JPS4889503 A JP S4889503A JP 2178672 A JP2178672 A JP 2178672A JP 2178672 A JP2178672 A JP 2178672A JP S4889503 A JPS4889503 A JP S4889503A
- 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 |
|---|---|---|---|
| JP2178672A JPS4889503A (cs) | 1972-03-02 | 1972-03-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2178672A JPS4889503A (cs) | 1972-03-02 | 1972-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4889503A true JPS4889503A (cs) | 1973-11-22 |
Family
ID=12064733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2178672A Pending JPS4889503A (cs) | 1972-03-02 | 1972-03-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4889503A (cs) |
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1972
- 1972-03-02 JP JP2178672A patent/JPS4889503A/ja active Pending