JPS6228593U - - Google Patents

Info

Publication number
JPS6228593U
JPS6228593U JP12009285U JP12009285U JPS6228593U JP S6228593 U JPS6228593 U JP S6228593U JP 12009285 U JP12009285 U JP 12009285U JP 12009285 U JP12009285 U JP 12009285U JP S6228593 U JPS6228593 U JP S6228593U
Authority
JP
Japan
Prior art keywords
writing surface
writing
electronic blackboard
away
utility
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
JP12009285U
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 JP12009285U priority Critical patent/JPS6228593U/ja
Publication of JPS6228593U publication Critical patent/JPS6228593U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP12009285U 1985-08-05 1985-08-05 Pending JPS6228593U (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12009285U JPS6228593U (de) 1985-08-05 1985-08-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12009285U JPS6228593U (de) 1985-08-05 1985-08-05

Publications (1)

Publication Number Publication Date
JPS6228593U true JPS6228593U (de) 1987-02-20

Family

ID=31008086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12009285U Pending JPS6228593U (de) 1985-08-05 1985-08-05

Country Status (1)

Country Link
JP (1) JPS6228593U (de)

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