JPH0447597U - - Google Patents
Info
- Publication number
- JPH0447597U JPH0447597U JP9036390U JP9036390U JPH0447597U JP H0447597 U JPH0447597 U JP H0447597U JP 9036390 U JP9036390 U JP 9036390U JP 9036390 U JP9036390 U JP 9036390U JP H0447597 U JPH0447597 U JP H0447597U
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- electric motor
- allows
- wipes
- pneumatically
- 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
- 239000000843 powder Substances 0.000 claims 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9036390U JPH0447597U (fr) | 1990-08-29 | 1990-08-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9036390U JPH0447597U (fr) | 1990-08-29 | 1990-08-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0447597U true JPH0447597U (fr) | 1992-04-22 |
Family
ID=31825047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9036390U Pending JPH0447597U (fr) | 1990-08-29 | 1990-08-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0447597U (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011178111A (ja) * | 2010-03-03 | 2011-09-15 | Funada Kyoikukai | 黒板拭き |
-
1990
- 1990-08-29 JP JP9036390U patent/JPH0447597U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011178111A (ja) * | 2010-03-03 | 2011-09-15 | Funada Kyoikukai | 黒板拭き |
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