JPH038478Y2 - - Google Patents
Info
- Publication number
- JPH038478Y2 JPH038478Y2 JP1985034656U JP3465685U JPH038478Y2 JP H038478 Y2 JPH038478 Y2 JP H038478Y2 JP 1985034656 U JP1985034656 U JP 1985034656U JP 3465685 U JP3465685 U JP 3465685U JP H038478 Y2 JPH038478 Y2 JP H038478Y2
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- case
- handle
- frame member
- roller
- 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
- 239000000853 adhesive Substances 0.000 claims description 25
- 230000001070 adhesive effect Effects 0.000 claims description 25
- 238000010586 diagram Methods 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985034656U JPH038478Y2 (US20100268047A1-20101021-C00003.png) | 1985-03-13 | 1985-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985034656U JPH038478Y2 (US20100268047A1-20101021-C00003.png) | 1985-03-13 | 1985-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61152495U JPS61152495U (US20100268047A1-20101021-C00003.png) | 1986-09-20 |
| JPH038478Y2 true JPH038478Y2 (US20100268047A1-20101021-C00003.png) | 1991-03-01 |
Family
ID=30538230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985034656U Expired JPH038478Y2 (US20100268047A1-20101021-C00003.png) | 1985-03-13 | 1985-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH038478Y2 (US20100268047A1-20101021-C00003.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102048526B1 (ko) * | 2019-05-02 | 2019-11-25 | 허준서 | 물 칠판 지우개 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4820537B1 (US20100268047A1-20101021-C00003.png) * | 1969-05-22 | 1973-06-21 | ||
| JPH0516331U (ja) * | 1991-08-22 | 1993-03-02 | セイコーエプソン株式会社 | 電子機器の輻射ノイズ防止機構 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4820537U (US20100268047A1-20101021-C00003.png) * | 1971-07-15 | 1973-03-08 |
-
1985
- 1985-03-13 JP JP1985034656U patent/JPH038478Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4820537B1 (US20100268047A1-20101021-C00003.png) * | 1969-05-22 | 1973-06-21 | ||
| JPH0516331U (ja) * | 1991-08-22 | 1993-03-02 | セイコーエプソン株式会社 | 電子機器の輻射ノイズ防止機構 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61152495U (US20100268047A1-20101021-C00003.png) | 1986-09-20 |
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