JPH01136595U - - Google Patents
Info
- Publication number
- JPH01136595U JPH01136595U JP2522188U JP2522188U JPH01136595U JP H01136595 U JPH01136595 U JP H01136595U JP 2522188 U JP2522188 U JP 2522188U JP 2522188 U JP2522188 U JP 2522188U JP H01136595 U JPH01136595 U JP H01136595U
- Authority
- JP
- Japan
- Prior art keywords
- diameter pipe
- small
- main body
- front cylinder
- small diameter
- 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 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2522188U JPH01136595U (ko) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2522188U JPH01136595U (ko) | 1988-02-29 | 1988-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01136595U true JPH01136595U (ko) | 1989-09-19 |
Family
ID=31245766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2522188U Pending JPH01136595U (ko) | 1988-02-29 | 1988-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01136595U (ko) |
-
1988
- 1988-02-29 JP JP2522188U patent/JPH01136595U/ja active Pending