JPS5423621B2 - - Google Patents
Info
- Publication number
- JPS5423621B2 JPS5423621B2 JP12200075A JP12200075A JPS5423621B2 JP S5423621 B2 JPS5423621 B2 JP S5423621B2 JP 12200075 A JP12200075 A JP 12200075A JP 12200075 A JP12200075 A JP 12200075A JP S5423621 B2 JPS5423621 B2 JP S5423621B2
- 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.)
- Expired
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12200075A JPS5246941A (en) | 1975-10-09 | 1975-10-09 | Device for lifting and lowering blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12200075A JPS5246941A (en) | 1975-10-09 | 1975-10-09 | Device for lifting and lowering blackboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5246941A JPS5246941A (en) | 1977-04-14 |
| JPS5423621B2 true JPS5423621B2 (enExample) | 1979-08-15 |
Family
ID=14825069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12200075A Granted JPS5246941A (en) | 1975-10-09 | 1975-10-09 | Device for lifting and lowering blackboard |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5246941A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013014104A (ja) * | 2011-07-06 | 2013-01-24 | Sakawa:Kk | ボード昇降機構 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5362453U (enExample) * | 1976-10-28 | 1978-05-26 | ||
| JP6947415B2 (ja) * | 2019-02-06 | 2021-10-13 | 株式会社青井黒板製作所 | 昇降黒板装置 |
| JP7249710B1 (ja) * | 2022-12-21 | 2023-03-31 | 株式会社青井黒板製作所 | 昇降黒板装置 |
-
1975
- 1975-10-09 JP JP12200075A patent/JPS5246941A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013014104A (ja) * | 2011-07-06 | 2013-01-24 | Sakawa:Kk | ボード昇降機構 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5246941A (en) | 1977-04-14 |