JPS63145687U - - Google Patents

Info

Publication number
JPS63145687U
JPS63145687U JP3941787U JP3941787U JPS63145687U JP S63145687 U JPS63145687 U JP S63145687U JP 3941787 U JP3941787 U JP 3941787U JP 3941787 U JP3941787 U JP 3941787U JP S63145687 U JPS63145687 U JP S63145687U
Authority
JP
Japan
Prior art keywords
scanner
blackboard
rail
writing
writing surface
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
JP3941787U
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 JP3941787U priority Critical patent/JPS63145687U/ja
Publication of JPS63145687U publication Critical patent/JPS63145687U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP3941787U 1987-03-17 1987-03-17 Pending JPS63145687U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3941787U JPS63145687U (enrdf_load_stackoverflow) 1987-03-17 1987-03-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3941787U JPS63145687U (enrdf_load_stackoverflow) 1987-03-17 1987-03-17

Publications (1)

Publication Number Publication Date
JPS63145687U true JPS63145687U (enrdf_load_stackoverflow) 1988-09-26

Family

ID=30852562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3941787U Pending JPS63145687U (enrdf_load_stackoverflow) 1987-03-17 1987-03-17

Country Status (1)

Country Link
JP (1) JPS63145687U (enrdf_load_stackoverflow)

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