JPS4956416A - - Google Patents
Info
- Publication number
- JPS4956416A JPS4956416A JP48068849A JP6884973A JPS4956416A JP S4956416 A JPS4956416 A JP S4956416A JP 48068849 A JP48068849 A JP 48068849A JP 6884973 A JP6884973 A JP 6884973A JP S4956416 A JPS4956416 A JP S4956416A
- 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.)
- Pending
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES404045A ES404045A1 (es) | 1972-06-20 | 1972-06-20 | Procedimiento para el avance subterraneo a presion de tu- bos. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4956416A true JPS4956416A (cs) | 1974-05-31 |
Family
ID=8461494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48068849A Pending JPS4956416A (cs) | 1972-06-20 | 1973-06-20 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS4956416A (cs) |
| ES (1) | ES404045A1 (cs) |
-
1972
- 1972-06-20 ES ES404045A patent/ES404045A1/es not_active Expired
-
1973
- 1973-06-20 JP JP48068849A patent/JPS4956416A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ES404045A1 (es) | 1975-05-16 |