JPS57178892U - - Google Patents
Info
- Publication number
- JPS57178892U JPS57178892U JP6588381U JP6588381U JPS57178892U JP S57178892 U JPS57178892 U JP S57178892U JP 6588381 U JP6588381 U JP 6588381U JP 6588381 U JP6588381 U JP 6588381U JP S57178892 U JPS57178892 U JP S57178892U
- 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
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6588381U JPS6223913Y2 (en) | 1981-05-07 | 1981-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6588381U JPS6223913Y2 (en) | 1981-05-07 | 1981-05-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57178892U true JPS57178892U (en) | 1982-11-12 |
| JPS6223913Y2 JPS6223913Y2 (en) | 1987-06-18 |
Family
ID=29861911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6588381U Expired JPS6223913Y2 (en) | 1981-05-07 | 1981-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6223913Y2 (en) |
-
1981
- 1981-05-07 JP JP6588381U patent/JPS6223913Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6223913Y2 (en) | 1987-06-18 |