JPS4997906U - - Google Patents
Info
- Publication number
- JPS4997906U JPS4997906U JP14198872U JP14198872U JPS4997906U JP S4997906 U JPS4997906 U JP S4997906U JP 14198872 U JP14198872 U JP 14198872U JP 14198872 U JP14198872 U JP 14198872U JP S4997906 U JPS4997906 U JP S4997906U
- 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 |
|---|---|---|---|
| JP14198872U JPS5220096Y2 (zh) | 1972-12-12 | 1972-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14198872U JPS5220096Y2 (zh) | 1972-12-12 | 1972-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4997906U true JPS4997906U (zh) | 1974-08-23 |
| JPS5220096Y2 JPS5220096Y2 (zh) | 1977-05-10 |
Family
ID=28422426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14198872U Expired JPS5220096Y2 (zh) | 1972-12-12 | 1972-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5220096Y2 (zh) |
-
1972
- 1972-12-12 JP JP14198872U patent/JPS5220096Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5220096Y2 (zh) | 1977-05-10 |