JPS63163987U - - Google Patents
Info
- Publication number
- JPS63163987U JPS63163987U JP5812987U JP5812987U JPS63163987U JP S63163987 U JPS63163987 U JP S63163987U JP 5812987 U JP5812987 U JP 5812987U JP 5812987 U JP5812987 U JP 5812987U JP S63163987 U JPS63163987 U JP S63163987U
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- wiping
- vacuum cleaner
- suction hole
- chiyoke
- 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
- 239000000843 powder Substances 0.000 claims 3
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5812987U JPS63163987U (un) | 1987-04-16 | 1987-04-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5812987U JPS63163987U (un) | 1987-04-16 | 1987-04-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63163987U true JPS63163987U (un) | 1988-10-26 |
Family
ID=30888449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5812987U Pending JPS63163987U (un) | 1987-04-16 | 1987-04-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63163987U (un) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009274227A (ja) * | 2008-05-12 | 2009-11-26 | Kohei Hayashi | 黒板拭きクリーニング装置 |
-
1987
- 1987-04-16 JP JP5812987U patent/JPS63163987U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009274227A (ja) * | 2008-05-12 | 2009-11-26 | Kohei Hayashi | 黒板拭きクリーニング装置 |