JPS63176696U - - Google Patents
Info
- Publication number
- JPS63176696U JPS63176696U JP6691687U JP6691687U JPS63176696U JP S63176696 U JPS63176696 U JP S63176696U JP 6691687 U JP6691687 U JP 6691687U JP 6691687 U JP6691687 U JP 6691687U JP S63176696 U JPS63176696 U JP S63176696U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- blackboard
- vacuum cleaner
- insert
- connect
- 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 |
|---|---|---|---|
| JP6691687U JPS63176696U (pl) | 1987-05-02 | 1987-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6691687U JPS63176696U (pl) | 1987-05-02 | 1987-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63176696U true JPS63176696U (pl) | 1988-11-16 |
Family
ID=30905353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6691687U Pending JPS63176696U (pl) | 1987-05-02 | 1987-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63176696U (pl) |
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1987
- 1987-05-02 JP JP6691687U patent/JPS63176696U/ja active Pending