JPS57193784U - - Google Patents
Info
- Publication number
- JPS57193784U JPS57193784U JP8024881U JP8024881U JPS57193784U JP S57193784 U JPS57193784 U JP S57193784U JP 8024881 U JP8024881 U JP 8024881U JP 8024881 U JP8024881 U JP 8024881U JP S57193784 U JPS57193784 U JP S57193784U
- 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 |
|---|---|---|---|
| JP8024881U JPS6235754Y2 (en:Method) | 1981-05-29 | 1981-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8024881U JPS6235754Y2 (en:Method) | 1981-05-29 | 1981-05-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57193784U true JPS57193784U (en:Method) | 1982-12-08 |
| JPS6235754Y2 JPS6235754Y2 (en:Method) | 1987-09-10 |
Family
ID=29875811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8024881U Expired JPS6235754Y2 (en:Method) | 1981-05-29 | 1981-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6235754Y2 (en:Method) |
-
1981
- 1981-05-29 JP JP8024881U patent/JPS6235754Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6235754Y2 (en:Method) | 1987-09-10 |