JPH03109892U - - Google Patents
Info
- Publication number
- JPH03109892U JPH03109892U JP1989190U JP1989190U JPH03109892U JP H03109892 U JPH03109892 U JP H03109892U JP 1989190 U JP1989190 U JP 1989190U JP 1989190 U JP1989190 U JP 1989190U JP H03109892 U JPH03109892 U JP H03109892U
- Authority
- JP
- Japan
- Prior art keywords
- guide rail
- blackboard
- cursor
- rail provided
- movably
- 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 |
|---|---|---|---|
| JP1989190U JPH03109892U (cs) | 1990-02-28 | 1990-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989190U JPH03109892U (cs) | 1990-02-28 | 1990-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03109892U true JPH03109892U (cs) | 1991-11-12 |
Family
ID=31522994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989190U Pending JPH03109892U (cs) | 1990-02-28 | 1990-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03109892U (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021014090A (ja) * | 2019-07-16 | 2021-02-12 | 斎藤 博 | 黒板用罫線形成装置 |
-
1990
- 1990-02-28 JP JP1989190U patent/JPH03109892U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021014090A (ja) * | 2019-07-16 | 2021-02-12 | 斎藤 博 | 黒板用罫線形成装置 |
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