JPH02139796U - - Google Patents

Info

Publication number
JPH02139796U
JPH02139796U JP4765289U JP4765289U JPH02139796U JP H02139796 U JPH02139796 U JP H02139796U JP 4765289 U JP4765289 U JP 4765289U JP 4765289 U JP4765289 U JP 4765289U JP H02139796 U JPH02139796 U JP H02139796U
Authority
JP
Japan
Prior art keywords
screens
forming material
screen
whiteboard
screen forming
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
JP4765289U
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 JP4765289U priority Critical patent/JPH02139796U/ja
Publication of JPH02139796U publication Critical patent/JPH02139796U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP4765289U 1989-04-25 1989-04-25 Pending JPH02139796U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4765289U JPH02139796U (enExample) 1989-04-25 1989-04-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4765289U JPH02139796U (enExample) 1989-04-25 1989-04-25

Publications (1)

Publication Number Publication Date
JPH02139796U true JPH02139796U (enExample) 1990-11-21

Family

ID=31563770

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4765289U Pending JPH02139796U (enExample) 1989-04-25 1989-04-25

Country Status (1)

Country Link
JP (1) JPH02139796U (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999011473A1 (en) * 1997-09-03 1999-03-11 Plus Industrial Corporation Display system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4913645B1 (enExample) * 1968-09-18 1974-04-02
JPS6130164A (ja) * 1984-07-20 1986-02-12 Sharp Corp 電子黒板システム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4913645B1 (enExample) * 1968-09-18 1974-04-02
JPS6130164A (ja) * 1984-07-20 1986-02-12 Sharp Corp 電子黒板システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999011473A1 (en) * 1997-09-03 1999-03-11 Plus Industrial Corporation Display system

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