JPH045560B2 - - Google Patents

Info

Publication number
JPH045560B2
JPH045560B2 JP62119557A JP11955787A JPH045560B2 JP H045560 B2 JPH045560 B2 JP H045560B2 JP 62119557 A JP62119557 A JP 62119557A JP 11955787 A JP11955787 A JP 11955787A JP H045560 B2 JPH045560 B2 JP H045560B2
Authority
JP
Japan
Prior art keywords
blackboard
mat
frame
rotating
roller
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.)
Expired - Lifetime
Application number
JP62119557A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63283999A (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 JP11955787A priority Critical patent/JPS63283999A/ja
Publication of JPS63283999A publication Critical patent/JPS63283999A/ja
Publication of JPH045560B2 publication Critical patent/JPH045560B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
JP11955787A 1987-05-15 1987-05-15 黒板消し装置 Granted JPS63283999A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11955787A JPS63283999A (ja) 1987-05-15 1987-05-15 黒板消し装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11955787A JPS63283999A (ja) 1987-05-15 1987-05-15 黒板消し装置

Publications (2)

Publication Number Publication Date
JPS63283999A JPS63283999A (ja) 1988-11-21
JPH045560B2 true JPH045560B2 (enrdf_load_html_response) 1992-01-31

Family

ID=14764266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11955787A Granted JPS63283999A (ja) 1987-05-15 1987-05-15 黒板消し装置

Country Status (1)

Country Link
JP (1) JPS63283999A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0664389A (ja) * 1992-08-13 1994-03-08 Nec Corp 電子黒板
JP3412810B2 (ja) * 1999-05-07 2003-06-03 張昌鎬 黒板の拭き取り装置及び黒板の拭き取り方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60109998U (ja) * 1983-12-27 1985-07-25 株式会社　アイム 黒板払拭装置

Also Published As

Publication number Publication date
JPS63283999A (ja) 1988-11-21

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