JPS5532952Y2 - - Google Patents
Info
- Publication number
- JPS5532952Y2 JPS5532952Y2 JP1976037405U JP3740576U JPS5532952Y2 JP S5532952 Y2 JPS5532952 Y2 JP S5532952Y2 JP 1976037405 U JP1976037405 U JP 1976037405U JP 3740576 U JP3740576 U JP 3740576U JP S5532952 Y2 JPS5532952 Y2 JP S5532952Y2
- 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 |
|---|---|---|---|
| JP1976037405U JPS5532952Y2 (en:Method) | 1976-03-26 | 1976-03-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976037405U JPS5532952Y2 (en:Method) | 1976-03-26 | 1976-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52128342U JPS52128342U (en:Method) | 1977-09-29 |
| JPS5532952Y2 true JPS5532952Y2 (en:Method) | 1980-08-05 |
Family
ID=28496661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1976037405U Expired JPS5532952Y2 (en:Method) | 1976-03-26 | 1976-03-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5532952Y2 (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
- 1976-03-26 JP JP1976037405U patent/JPS5532952Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52128342U (en:Method) | 1977-09-29 |