JPS5543200Y2 - - Google Patents
Info
- Publication number
- JPS5543200Y2 JPS5543200Y2 JP1976155732U JP15573276U JPS5543200Y2 JP S5543200 Y2 JPS5543200 Y2 JP S5543200Y2 JP 1976155732 U JP1976155732 U JP 1976155732U JP 15573276 U JP15573276 U JP 15573276U JP S5543200 Y2 JPS5543200 Y2 JP S5543200Y2
- 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.)
- Expired
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976155732U JPS5543200Y2 (en:Method) | 1976-11-20 | 1976-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976155732U JPS5543200Y2 (en:Method) | 1976-11-20 | 1976-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5373739U JPS5373739U (en:Method) | 1978-06-20 |
| JPS5543200Y2 true JPS5543200Y2 (en:Method) | 1980-10-09 |
Family
ID=28763835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1976155732U Expired JPS5543200Y2 (en:Method) | 1976-11-20 | 1976-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5543200Y2 (en:Method) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1437350A (en) * | 1972-06-22 | 1976-05-26 | Nat Res Dev | Tunnelling apparatus |
-
1976
- 1976-11-20 JP JP1976155732U patent/JPS5543200Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5373739U (en:Method) | 1978-06-20 |