JPS5021766Y2 - - Google Patents
Info
- Publication number
- JPS5021766Y2 JPS5021766Y2 JP3179771U JP3179771U JPS5021766Y2 JP S5021766 Y2 JPS5021766 Y2 JP S5021766Y2 JP 3179771 U JP3179771 U JP 3179771U JP 3179771 U JP3179771 U JP 3179771U JP S5021766 Y2 JPS5021766 Y2 JP S5021766Y2
- 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 |
|---|---|---|---|
| JP3179771U JPS5021766Y2 (ja) | 1971-04-22 | 1971-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3179771U JPS5021766Y2 (ja) | 1971-04-22 | 1971-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4730610U JPS4730610U (ja) | 1972-12-07 |
| JPS5021766Y2 true JPS5021766Y2 (ja) | 1975-07-01 |
Family
ID=27895311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3179771U Expired JPS5021766Y2 (ja) | 1971-04-22 | 1971-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5021766Y2 (ja) |
-
1971
- 1971-04-22 JP JP3179771U patent/JPS5021766Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4730610U (ja) | 1972-12-07 |