JPH0280491U - - Google Patents
Info
- Publication number
- JPH0280491U JPH0280491U JP16068388U JP16068388U JPH0280491U JP H0280491 U JPH0280491 U JP H0280491U JP 16068388 U JP16068388 U JP 16068388U JP 16068388 U JP16068388 U JP 16068388U JP H0280491 U JPH0280491 U JP H0280491U
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- attached
- air outlet
- outlet
- suction
- 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
- 239000000428 dust Substances 0.000 claims description 2
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16068388U JPH0280491U (fi) | 1988-12-09 | 1988-12-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16068388U JPH0280491U (fi) | 1988-12-09 | 1988-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0280491U true JPH0280491U (fi) | 1990-06-21 |
Family
ID=31442965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16068388U Pending JPH0280491U (fi) | 1988-12-09 | 1988-12-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0280491U (fi) |
-
1988
- 1988-12-09 JP JP16068388U patent/JPH0280491U/ja active Pending