JPS50115037A - - Google Patents
Info
- Publication number
- JPS50115037A JPS50115037A JP1909374A JP1909374A JPS50115037A JP S50115037 A JPS50115037 A JP S50115037A JP 1909374 A JP1909374 A JP 1909374A JP 1909374 A JP1909374 A JP 1909374A JP S50115037 A JPS50115037 A JP S50115037A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1909374A JPS5330491B2 (is) | 1974-02-19 | 1974-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1909374A JPS5330491B2 (is) | 1974-02-19 | 1974-02-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50115037A true JPS50115037A (is) | 1975-09-09 |
| JPS5330491B2 JPS5330491B2 (is) | 1978-08-28 |
Family
ID=11989843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1909374A Expired JPS5330491B2 (is) | 1974-02-19 | 1974-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5330491B2 (is) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5646794A (en) * | 1980-06-16 | 1981-04-28 | Aoi Kokuban Seisakusho Kk | Blackboard |
| JP2008030440A (ja) * | 2006-06-30 | 2008-02-14 | Sakawa:Kk | スクリーン機能を兼ね備えたスライド式筆記板 |
| JP2022061139A (ja) * | 2020-10-06 | 2022-04-18 | 日本エアーテック株式会社 | 表示機能付き空気清浄機およびパーティション |
-
1974
- 1974-02-19 JP JP1909374A patent/JPS5330491B2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5646794A (en) * | 1980-06-16 | 1981-04-28 | Aoi Kokuban Seisakusho Kk | Blackboard |
| JPS5953194B2 (ja) * | 1980-06-16 | 1984-12-24 | 株式会社青井黒板製作所 | 黒板 |
| JP2008030440A (ja) * | 2006-06-30 | 2008-02-14 | Sakawa:Kk | スクリーン機能を兼ね備えたスライド式筆記板 |
| JP2022061139A (ja) * | 2020-10-06 | 2022-04-18 | 日本エアーテック株式会社 | 表示機能付き空気清浄機およびパーティション |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5330491B2 (is) | 1978-08-28 |