JPS5220083Y2 - - Google Patents
Info
- Publication number
- JPS5220083Y2 JPS5220083Y2 JP13711372U JP13711372U JPS5220083Y2 JP S5220083 Y2 JPS5220083 Y2 JP S5220083Y2 JP 13711372 U JP13711372 U JP 13711372U JP 13711372 U JP13711372 U JP 13711372U JP S5220083 Y2 JPS5220083 Y2 JP S5220083Y2
- 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 |
|---|---|---|---|
| JP13711372U JPS5220083Y2 (zh) | 1972-11-30 | 1972-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13711372U JPS5220083Y2 (zh) | 1972-11-30 | 1972-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4993530U JPS4993530U (zh) | 1974-08-13 |
| JPS5220083Y2 true JPS5220083Y2 (zh) | 1977-05-10 |
Family
ID=28408743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13711372U Expired JPS5220083Y2 (zh) | 1972-11-30 | 1972-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5220083Y2 (zh) |
-
1972
- 1972-11-30 JP JP13711372U patent/JPS5220083Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4993530U (zh) | 1974-08-13 |