JPH0197993U - - Google Patents
Info
- Publication number
- JPH0197993U JPH0197993U JP19430987U JP19430987U JPH0197993U JP H0197993 U JPH0197993 U JP H0197993U JP 19430987 U JP19430987 U JP 19430987U JP 19430987 U JP19430987 U JP 19430987U JP H0197993 U JPH0197993 U JP H0197993U
- Authority
- JP
- Japan
- Prior art keywords
- characters
- written
- blackboard
- white sheet
- electronic blackboard
- 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19430987U JPH0197993U (enExample) | 1987-12-21 | 1987-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19430987U JPH0197993U (enExample) | 1987-12-21 | 1987-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0197993U true JPH0197993U (enExample) | 1989-06-29 |
Family
ID=31485043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19430987U Pending JPH0197993U (enExample) | 1987-12-21 | 1987-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0197993U (enExample) |
-
1987
- 1987-12-21 JP JP19430987U patent/JPH0197993U/ja active Pending
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