JPS62133797U - - Google Patents
Info
- Publication number
- JPS62133797U JPS62133797U JP1994686U JP1994686U JPS62133797U JP S62133797 U JPS62133797 U JP S62133797U JP 1994686 U JP1994686 U JP 1994686U JP 1994686 U JP1994686 U JP 1994686U JP S62133797 U JPS62133797 U JP S62133797U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- earth
- removal device
- closing plate
- pressure chamber
- Prior art date
- 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
- 239000004576 sand Substances 0.000 claims 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1994686U JPS62133797U (en, 2012) | 1986-02-13 | 1986-02-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1994686U JPS62133797U (en, 2012) | 1986-02-13 | 1986-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62133797U true JPS62133797U (en, 2012) | 1987-08-22 |
Family
ID=30815002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1994686U Pending JPS62133797U (en, 2012) | 1986-02-13 | 1986-02-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62133797U (en, 2012) |
-
1986
- 1986-02-13 JP JP1994686U patent/JPS62133797U/ja active Pending
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