JPH03108484U - - Google Patents
Info
- Publication number
- JPH03108484U JPH03108484U JP1677590U JP1677590U JPH03108484U JP H03108484 U JPH03108484 U JP H03108484U JP 1677590 U JP1677590 U JP 1677590U JP 1677590 U JP1677590 U JP 1677590U JP H03108484 U JPH03108484 U JP H03108484U
- Authority
- JP
- Japan
- Prior art keywords
- board
- sheet
- metal fittings
- reinforcing
- corner 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.)
- Granted
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1677590U JPH0753994Y2 (ja) | 1990-02-23 | 1990-02-23 | 電子黒板装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1677590U JPH0753994Y2 (ja) | 1990-02-23 | 1990-02-23 | 電子黒板装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03108484U true JPH03108484U (en]) | 1991-11-07 |
| JPH0753994Y2 JPH0753994Y2 (ja) | 1995-12-13 |
Family
ID=31520029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1677590U Expired - Lifetime JPH0753994Y2 (ja) | 1990-02-23 | 1990-02-23 | 電子黒板装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0753994Y2 (en]) |
-
1990
- 1990-02-23 JP JP1677590U patent/JPH0753994Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753994Y2 (ja) | 1995-12-13 |