JPH01106293U - - Google Patents
Info
- Publication number
- JPH01106293U JPH01106293U JP300988U JP300988U JPH01106293U JP H01106293 U JPH01106293 U JP H01106293U JP 300988 U JP300988 U JP 300988U JP 300988 U JP300988 U JP 300988U JP H01106293 U JPH01106293 U JP H01106293U
- Authority
- JP
- Japan
- Prior art keywords
- writing instrument
- blackboard surface
- control unit
- blackboard
- movement
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Facsimiles In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP300988U JPH01106293U (cs) | 1988-01-12 | 1988-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP300988U JPH01106293U (cs) | 1988-01-12 | 1988-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01106293U true JPH01106293U (cs) | 1989-07-18 |
Family
ID=31204270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP300988U Pending JPH01106293U (cs) | 1988-01-12 | 1988-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01106293U (cs) |
-
1988
- 1988-01-12 JP JP300988U patent/JPH01106293U/ja active Pending
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