JPS4989902U - - Google Patents
Info
- Publication number
- JPS4989902U JPS4989902U JP13338572U JP13338572U JPS4989902U JP S4989902 U JPS4989902 U JP S4989902U JP 13338572 U JP13338572 U JP 13338572U JP 13338572 U JP13338572 U JP 13338572U JP S4989902 U JPS4989902 U JP S4989902U
- 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13338572U JPS521686Y2 (en:Method) | 1972-11-21 | 1972-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13338572U JPS521686Y2 (en:Method) | 1972-11-21 | 1972-11-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4989902U true JPS4989902U (en:Method) | 1974-08-05 |
| JPS521686Y2 JPS521686Y2 (en:Method) | 1977-01-14 |
Family
ID=28398327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13338572U Expired JPS521686Y2 (en:Method) | 1972-11-21 | 1972-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS521686Y2 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5224301U (en:Method) * | 1975-08-12 | 1977-02-21 |
-
1972
- 1972-11-21 JP JP13338572U patent/JPS521686Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5224301U (en:Method) * | 1975-08-12 | 1977-02-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS521686Y2 (en:Method) | 1977-01-14 |