JPS52160225U - - Google Patents
Info
- Publication number
- JPS52160225U JPS52160225U JP6976576U JP6976576U JPS52160225U JP S52160225 U JPS52160225 U JP S52160225U JP 6976576 U JP6976576 U JP 6976576U JP 6976576 U JP6976576 U JP 6976576U JP S52160225 U JPS52160225 U JP S52160225U
- 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)
- Control Of Fluid Pressure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976069765U JPS5617597Y2 (en:Method) | 1976-05-31 | 1976-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976069765U JPS5617597Y2 (en:Method) | 1976-05-31 | 1976-05-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52160225U true JPS52160225U (en:Method) | 1977-12-05 |
| JPS5617597Y2 JPS5617597Y2 (en:Method) | 1981-04-23 |
Family
ID=28538651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1976069765U Expired JPS5617597Y2 (en:Method) | 1976-05-31 | 1976-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5617597Y2 (en:Method) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828216A (en:Method) * | 1971-08-16 | 1973-04-14 |
-
1976
- 1976-05-31 JP JP1976069765U patent/JPS5617597Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828216A (en:Method) * | 1971-08-16 | 1973-04-14 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5617597Y2 (en:Method) | 1981-04-23 |