JPS57197587U - - Google Patents
Info
- Publication number
- JPS57197587U JPS57197587U JP8702481U JP8702481U JPS57197587U JP S57197587 U JPS57197587 U JP S57197587U JP 8702481 U JP8702481 U JP 8702481U JP 8702481 U JP8702481 U JP 8702481U JP S57197587 U JPS57197587 U JP S57197587U
- 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 |
|---|---|---|---|
| JP8702481U JPS6223907Y2 (en) | 1981-06-13 | 1981-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8702481U JPS6223907Y2 (en) | 1981-06-13 | 1981-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57197587U true JPS57197587U (en) | 1982-12-15 |
| JPS6223907Y2 JPS6223907Y2 (en) | 1987-06-18 |
Family
ID=29882236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8702481U Expired JPS6223907Y2 (en) | 1981-06-13 | 1981-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6223907Y2 (en) |
-
1981
- 1981-06-13 JP JP8702481U patent/JPS6223907Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6223907Y2 (en) | 1987-06-18 |