JPS61175496U - - Google Patents
Info
- Publication number
- JPS61175496U JPS61175496U JP6010385U JP6010385U JPS61175496U JP S61175496 U JPS61175496 U JP S61175496U JP 6010385 U JP6010385 U JP 6010385U JP 6010385 U JP6010385 U JP 6010385U JP S61175496 U JPS61175496 U JP S61175496U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- whiteboard
- cover
- color cover
- color
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6010385U JPS61175496U (zh) | 1985-04-22 | 1985-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6010385U JPS61175496U (zh) | 1985-04-22 | 1985-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61175496U true JPS61175496U (zh) | 1986-11-01 |
Family
ID=30587141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6010385U Pending JPS61175496U (zh) | 1985-04-22 | 1985-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61175496U (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101232948B1 (ko) | 2008-06-30 | 2013-02-13 | 최해용 | 단판형 절첩식 영사 스크린과 동 스크린의 제조방법 |
| CN105459687A (zh) * | 2015-12-15 | 2016-04-06 | 重庆触视科技有限公司 | 网络教学全息投影黑板 |
-
1985
- 1985-04-22 JP JP6010385U patent/JPS61175496U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101232948B1 (ko) | 2008-06-30 | 2013-02-13 | 최해용 | 단판형 절첩식 영사 스크린과 동 스크린의 제조방법 |
| CN105459687A (zh) * | 2015-12-15 | 2016-04-06 | 重庆触视科技有限公司 | 网络教学全息投影黑板 |