JPH01167809U - - Google Patents
Info
- Publication number
- JPH01167809U JPH01167809U JP6168488U JP6168488U JPH01167809U JP H01167809 U JPH01167809 U JP H01167809U JP 6168488 U JP6168488 U JP 6168488U JP 6168488 U JP6168488 U JP 6168488U JP H01167809 U JPH01167809 U JP H01167809U
- Authority
- JP
- Japan
- Prior art keywords
- ridge
- ridge surface
- mud
- surface portion
- raising means
- 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
- 239000013013 elastic material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Soil Working Implements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6168488U JPH01167809U (pl) | 1988-05-12 | 1988-05-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6168488U JPH01167809U (pl) | 1988-05-12 | 1988-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01167809U true JPH01167809U (pl) | 1989-11-27 |
Family
ID=31287336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6168488U Pending JPH01167809U (pl) | 1988-05-12 | 1988-05-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01167809U (pl) |
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1988
- 1988-05-12 JP JP6168488U patent/JPH01167809U/ja active Pending