JPH036467Y2 - - Google Patents
Info
- Publication number
- JPH036467Y2 JPH036467Y2 JP2902285U JP2902285U JPH036467Y2 JP H036467 Y2 JPH036467 Y2 JP H036467Y2 JP 2902285 U JP2902285 U JP 2902285U JP 2902285 U JP2902285 U JP 2902285U JP H036467 Y2 JPH036467 Y2 JP H036467Y2
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- wiping
- wiping roller
- roller
- air
- 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.)
- Expired
Links
- 230000007246 mechanism Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2902285U JPH036467Y2 (enExample) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2902285U JPH036467Y2 (enExample) | 1985-02-28 | 1985-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61160983U JPS61160983U (enExample) | 1986-10-06 |
| JPH036467Y2 true JPH036467Y2 (enExample) | 1991-02-19 |
Family
ID=30527453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2902285U Expired JPH036467Y2 (enExample) | 1985-02-28 | 1985-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH036467Y2 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332045A (zh) * | 2013-06-14 | 2013-10-02 | 张更生 | 无尘黑板 |
| CN105034664B (zh) * | 2015-08-07 | 2017-01-18 | 湖南城市学院 | 帆布卷轴式黑板 |
| CN110744952B (zh) * | 2019-10-24 | 2020-11-17 | 郑州航空工业管理学院 | 一种高等数学教学用具 |
-
1985
- 1985-02-28 JP JP2902285U patent/JPH036467Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61160983U (enExample) | 1986-10-06 |
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