JPH02129490U - - Google Patents
Info
- Publication number
- JPH02129490U JPH02129490U JP3810889U JP3810889U JPH02129490U JP H02129490 U JPH02129490 U JP H02129490U JP 3810889 U JP3810889 U JP 3810889U JP 3810889 U JP3810889 U JP 3810889U JP H02129490 U JPH02129490 U JP H02129490U
- Authority
- JP
- Japan
- Prior art keywords
- drive device
- rotary column
- rotary
- support leg
- vertical axis
- 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
- 238000007790 scraping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3810889U JPH02129490U (no) | 1989-03-31 | 1989-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3810889U JPH02129490U (no) | 1989-03-31 | 1989-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02129490U true JPH02129490U (no) | 1990-10-25 |
Family
ID=31545821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3810889U Pending JPH02129490U (no) | 1989-03-31 | 1989-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02129490U (no) |
-
1989
- 1989-03-31 JP JP3810889U patent/JPH02129490U/ja active Pending