JPS4891818A - - Google Patents
Info
- Publication number
- JPS4891818A JPS4891818A JP2289172A JP2289172A JPS4891818A JP S4891818 A JPS4891818 A JP S4891818A JP 2289172 A JP2289172 A JP 2289172A JP 2289172 A JP2289172 A JP 2289172A JP S4891818 A JPS4891818 A JP S4891818A
- 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 |
|---|---|---|---|
| JP2289172A JPS51366B2 (fr) | 1972-03-06 | 1972-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2289172A JPS51366B2 (fr) | 1972-03-06 | 1972-03-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4891818A true JPS4891818A (fr) | 1973-11-29 |
| JPS51366B2 JPS51366B2 (fr) | 1976-01-07 |
Family
ID=12095273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2289172A Expired JPS51366B2 (fr) | 1972-03-06 | 1972-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS51366B2 (fr) |
-
1972
- 1972-03-06 JP JP2289172A patent/JPS51366B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51366B2 (fr) | 1976-01-07 |