JPS6331994Y2 - - Google Patents

Info

Publication number
JPS6331994Y2
JPS6331994Y2 JP16712382U JP16712382U JPS6331994Y2 JP S6331994 Y2 JPS6331994 Y2 JP S6331994Y2 JP 16712382 U JP16712382 U JP 16712382U JP 16712382 U JP16712382 U JP 16712382U JP S6331994 Y2 JPS6331994 Y2 JP S6331994Y2
Authority
JP
Japan
Prior art keywords
circular
board
eraser
hole
holes
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
Application number
JP16712382U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5971794U (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 JP16712382U priority Critical patent/JPS5971794U/ja
Publication of JPS5971794U publication Critical patent/JPS5971794U/ja
Application granted granted Critical
Publication of JPS6331994Y2 publication Critical patent/JPS6331994Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP16712382U 1982-11-04 1982-11-04 円形字消し板 Granted JPS5971794U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16712382U JPS5971794U (ja) 1982-11-04 1982-11-04 円形字消し板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16712382U JPS5971794U (ja) 1982-11-04 1982-11-04 円形字消し板

Publications (2)

Publication Number Publication Date
JPS5971794U JPS5971794U (ja) 1984-05-16
JPS6331994Y2 true JPS6331994Y2 (enrdf_load_stackoverflow) 1988-08-25

Family

ID=30365710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16712382U Granted JPS5971794U (ja) 1982-11-04 1982-11-04 円形字消し板

Country Status (1)

Country Link
JP (1) JPS5971794U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5971794U (ja) 1984-05-16

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