JPS4997905U - - Google Patents
Info
- Publication number
- JPS4997905U JPS4997905U JP14249772U JP14249772U JPS4997905U JP S4997905 U JPS4997905 U JP S4997905U JP 14249772 U JP14249772 U JP 14249772U JP 14249772 U JP14249772 U JP 14249772U JP S4997905 U JPS4997905 U JP S4997905U
- 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)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14249772U JPS511211Y2 (en:Method) | 1972-12-11 | 1972-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14249772U JPS511211Y2 (en:Method) | 1972-12-11 | 1972-12-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4997905U true JPS4997905U (en:Method) | 1974-08-23 |
| JPS511211Y2 JPS511211Y2 (en:Method) | 1976-01-14 |
Family
ID=28423839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14249772U Expired JPS511211Y2 (en:Method) | 1972-12-11 | 1972-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS511211Y2 (en:Method) |
-
1972
- 1972-12-11 JP JP14249772U patent/JPS511211Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS511211Y2 (en:Method) | 1976-01-14 |