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
Application number
JP5812987U
Other languages
English (en)
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP5812987U priority Critical patent/JPS63163987U/ja
Publication of JPS63163987U publication Critical patent/JPS63163987U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP5812987U 1987-04-16 1987-04-16 Pending JPS63163987U (US20030199744A1-20031023-C00003.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5812987U JPS63163987U (US20030199744A1-20031023-C00003.png) 1987-04-16 1987-04-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5812987U JPS63163987U (US20030199744A1-20031023-C00003.png) 1987-04-16 1987-04-16

Publications (1)

Publication Number Publication Date
JPS63163987U true JPS63163987U (US20030199744A1-20031023-C00003.png) 1988-10-26

Family

ID=30888449

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5812987U Pending JPS63163987U (US20030199744A1-20031023-C00003.png) 1987-04-16 1987-04-16

Country Status (1)

Country Link
JP (1) JPS63163987U (US20030199744A1-20031023-C00003.png)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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