JPS4887489A - - Google Patents
Info
- Publication number
- JPS4887489A JPS4887489A JP1733272A JP1733272A JPS4887489A JP S4887489 A JPS4887489 A JP S4887489A JP 1733272 A JP1733272 A JP 1733272A JP 1733272 A JP1733272 A JP 1733272A JP S4887489 A JPS4887489 A JP S4887489A
- 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
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1733272A JPS4887489A (2) | 1972-02-18 | 1972-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1733272A JPS4887489A (2) | 1972-02-18 | 1972-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4887489A true JPS4887489A (2) | 1973-11-17 |
Family
ID=11941085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1733272A Pending JPS4887489A (2) | 1972-02-18 | 1972-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4887489A (2) |
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1972
- 1972-02-18 JP JP1733272A patent/JPS4887489A/ja active Pending