JPS6440691U - - Google Patents

Info

Publication number
JPS6440691U
JPS6440691U JP13450387U JP13450387U JPS6440691U JP S6440691 U JPS6440691 U JP S6440691U JP 13450387 U JP13450387 U JP 13450387U JP 13450387 U JP13450387 U JP 13450387U JP S6440691 U JPS6440691 U JP S6440691U
Authority
JP
Japan
Prior art keywords
drawn
sheet
graphic information
image information
erasing
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
JP13450387U
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 JP13450387U priority Critical patent/JPS6440691U/ja
Publication of JPS6440691U publication Critical patent/JPS6440691U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP13450387U 1987-09-04 1987-09-04 Pending JPS6440691U (US20080094685A1-20080424-C00004.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13450387U JPS6440691U (US20080094685A1-20080424-C00004.png) 1987-09-04 1987-09-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13450387U JPS6440691U (US20080094685A1-20080424-C00004.png) 1987-09-04 1987-09-04

Publications (1)

Publication Number Publication Date
JPS6440691U true JPS6440691U (US20080094685A1-20080424-C00004.png) 1989-03-10

Family

ID=31393317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13450387U Pending JPS6440691U (US20080094685A1-20080424-C00004.png) 1987-09-04 1987-09-04

Country Status (1)

Country Link
JP (1) JPS6440691U (US20080094685A1-20080424-C00004.png)

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