JPS502656Y2 - - Google Patents
Info
- Publication number
- JPS502656Y2 JPS502656Y2 JP2773971U JP2773971U JPS502656Y2 JP S502656 Y2 JPS502656 Y2 JP S502656Y2 JP 2773971 U JP2773971 U JP 2773971U JP 2773971 U JP2773971 U JP 2773971U JP S502656 Y2 JPS502656 Y2 JP S502656Y2
- 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 |
|---|---|---|---|
| JP2773971U JPS502656Y2 (https=) | 1971-04-12 | 1971-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2773971U JPS502656Y2 (https=) | 1971-04-12 | 1971-04-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4727239U JPS4727239U (https=) | 1972-11-28 |
| JPS502656Y2 true JPS502656Y2 (https=) | 1975-01-24 |
Family
ID=27887701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2773971U Expired JPS502656Y2 (https=) | 1971-04-12 | 1971-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS502656Y2 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50141265U (https=) * | 1974-05-08 | 1975-11-20 | ||
| JPS5317337B2 (https=) * | 1974-09-18 | 1978-06-07 |
-
1971
- 1971-04-12 JP JP2773971U patent/JPS502656Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4727239U (https=) | 1972-11-28 |