JPS647590U - - Google Patents
Info
- Publication number
- JPS647590U JPS647590U JP10127187U JP10127187U JPS647590U JP S647590 U JPS647590 U JP S647590U JP 10127187 U JP10127187 U JP 10127187U JP 10127187 U JP10127187 U JP 10127187U JP S647590 U JPS647590 U JP S647590U
- Authority
- JP
- Japan
- Prior art keywords
- message board
- erasing
- written
- detecting
- message
- 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 2
- 230000037430 deletion Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10127187U JPS647590U (2) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10127187U JPS647590U (2) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647590U true JPS647590U (2) | 1989-01-17 |
Family
ID=31330110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10127187U Pending JPS647590U (2) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647590U (2) |
-
1987
- 1987-06-30 JP JP10127187U patent/JPS647590U/ja active Pending
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