JPS566550Y2 - - Google Patents
Info
- Publication number
- JPS566550Y2 JPS566550Y2 JP1976068987U JP6898776U JPS566550Y2 JP S566550 Y2 JPS566550 Y2 JP S566550Y2 JP 1976068987 U JP1976068987 U JP 1976068987U JP 6898776 U JP6898776 U JP 6898776U JP S566550 Y2 JPS566550 Y2 JP S566550Y2
- 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 |
|---|---|---|---|
| JP1976068987U JPS566550Y2 (en:Method) | 1976-05-31 | 1976-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976068987U JPS566550Y2 (en:Method) | 1976-05-31 | 1976-05-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52160223U JPS52160223U (en:Method) | 1977-12-05 |
| JPS566550Y2 true JPS566550Y2 (en:Method) | 1981-02-13 |
Family
ID=28537163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1976068987U Expired JPS566550Y2 (en:Method) | 1976-05-31 | 1976-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS566550Y2 (en:Method) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5023470Y2 (en:Method) * | 1972-03-24 | 1975-07-15 | ||
| JPS523871Y2 (en:Method) * | 1974-09-09 | 1977-01-27 |
-
1976
- 1976-05-31 JP JP1976068987U patent/JPS566550Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52160223U (en:Method) | 1977-12-05 |