JPS5428266Y2 - - Google Patents
Info
- Publication number
- JPS5428266Y2 JPS5428266Y2 JP7639575U JP7639575U JPS5428266Y2 JP S5428266 Y2 JPS5428266 Y2 JP S5428266Y2 JP 7639575 U JP7639575 U JP 7639575U JP 7639575 U JP7639575 U JP 7639575U JP S5428266 Y2 JPS5428266 Y2 JP S5428266Y2
- 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 |
|---|---|---|---|
| JP7639575U JPS5428266Y2 (en:Method) | 1975-06-07 | 1975-06-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7639575U JPS5428266Y2 (en:Method) | 1975-06-07 | 1975-06-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51156640U JPS51156640U (en:Method) | 1976-12-14 |
| JPS5428266Y2 true JPS5428266Y2 (en:Method) | 1979-09-11 |
Family
ID=28551362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7639575U Expired JPS5428266Y2 (en:Method) | 1975-06-07 | 1975-06-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5428266Y2 (en:Method) |
-
1975
- 1975-06-07 JP JP7639575U patent/JPS5428266Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51156640U (en:Method) | 1976-12-14 |