JPS5520879Y2 - - Google Patents
Info
- Publication number
- JPS5520879Y2 JPS5520879Y2 JP1976007732U JP773276U JPS5520879Y2 JP S5520879 Y2 JPS5520879 Y2 JP S5520879Y2 JP 1976007732 U JP1976007732 U JP 1976007732U JP 773276 U JP773276 U JP 773276U JP S5520879 Y2 JPS5520879 Y2 JP S5520879Y2
- 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 |
|---|---|---|---|
| JP1976007732U JPS5520879Y2 (en:Method) | 1976-01-26 | 1976-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976007732U JPS5520879Y2 (en:Method) | 1976-01-26 | 1976-01-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5299635U JPS5299635U (en:Method) | 1977-07-28 |
| JPS5520879Y2 true JPS5520879Y2 (en:Method) | 1980-05-19 |
Family
ID=28468234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1976007732U Expired JPS5520879Y2 (en:Method) | 1976-01-26 | 1976-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5520879Y2 (en:Method) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5610440B2 (en:Method) * | 1973-08-23 | 1981-03-07 |
-
1976
- 1976-01-26 JP JP1976007732U patent/JPS5520879Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5299635U (en:Method) | 1977-07-28 |