JPH01136598U - - Google Patents
Info
- Publication number
- JPH01136598U JPH01136598U JP2522588U JP2522588U JPH01136598U JP H01136598 U JPH01136598 U JP H01136598U JP 2522588 U JP2522588 U JP 2522588U JP 2522588 U JP2522588 U JP 2522588U JP H01136598 U JPH01136598 U JP H01136598U
- Authority
- JP
- Japan
- Prior art keywords
- diameter pipe
- removal device
- earth removal
- earth
- attached
- 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 1
- 238000010586 diagram Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2522588U JPH01136598U (es) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2522588U JPH01136598U (es) | 1988-02-29 | 1988-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01136598U true JPH01136598U (es) | 1989-09-19 |
Family
ID=31245774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2522588U Pending JPH01136598U (es) | 1988-02-29 | 1988-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01136598U (es) |
-
1988
- 1988-02-29 JP JP2522588U patent/JPH01136598U/ja active Pending
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