JPS57187894U - - Google Patents
Info
- Publication number
- JPS57187894U JPS57187894U JP7137981U JP7137981U JPS57187894U JP S57187894 U JPS57187894 U JP S57187894U JP 7137981 U JP7137981 U JP 7137981U JP 7137981 U JP7137981 U JP 7137981U JP S57187894 U JPS57187894 U JP S57187894U
- 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 |
|---|---|---|---|
| JP7137981U JPS6124633Y2 (en:Method) | 1981-05-21 | 1981-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7137981U JPS6124633Y2 (en:Method) | 1981-05-21 | 1981-05-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57187894U true JPS57187894U (en:Method) | 1982-11-29 |
| JPS6124633Y2 JPS6124633Y2 (en:Method) | 1986-07-23 |
Family
ID=29867174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7137981U Expired JPS6124633Y2 (en:Method) | 1981-05-21 | 1981-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6124633Y2 (en:Method) |
-
1981
- 1981-05-21 JP JP7137981U patent/JPS6124633Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6124633Y2 (en:Method) | 1986-07-23 |