JPH02134091U - - Google Patents
Info
- Publication number
- JPH02134091U JPH02134091U JP4546089U JP4546089U JPH02134091U JP H02134091 U JPH02134091 U JP H02134091U JP 4546089 U JP4546089 U JP 4546089U JP 4546089 U JP4546089 U JP 4546089U JP H02134091 U JPH02134091 U JP H02134091U
- Authority
- JP
- Japan
- Prior art keywords
- well
- tool
- scrubbing tool
- unevenness
- scrubs
- 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
- 238000005201 scrubbing Methods 0.000 claims 4
- 238000007373 indentation Methods 0.000 claims 1
- 238000007790 scraping Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4546089U JPH02134091U (pt) | 1989-04-17 | 1989-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4546089U JPH02134091U (pt) | 1989-04-17 | 1989-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02134091U true JPH02134091U (pt) | 1990-11-07 |
Family
ID=31559656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4546089U Pending JPH02134091U (pt) | 1989-04-17 | 1989-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02134091U (pt) |
-
1989
- 1989-04-17 JP JP4546089U patent/JPH02134091U/ja active Pending