JPS4889502A - - Google Patents
Info
- Publication number
- JPS4889502A JPS4889502A JP2178572A JP2178572A JPS4889502A JP S4889502 A JPS4889502 A JP S4889502A JP 2178572 A JP2178572 A JP 2178572A JP 2178572 A JP2178572 A JP 2178572A JP S4889502 A JPS4889502 A JP S4889502A
- 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 |
|---|---|---|---|
| JP2178572A JPS4889502A (en, 2012) | 1972-03-02 | 1972-03-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2178572A JPS4889502A (en, 2012) | 1972-03-02 | 1972-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4889502A true JPS4889502A (en, 2012) | 1973-11-22 |
Family
ID=12064704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2178572A Pending JPS4889502A (en, 2012) | 1972-03-02 | 1972-03-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4889502A (en, 2012) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025243A (en, 2012) * | 1973-03-01 | 1975-03-17 |
-
1972
- 1972-03-02 JP JP2178572A patent/JPS4889502A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025243A (en, 2012) * | 1973-03-01 | 1975-03-17 |