JPS62189186U - - Google Patents

Info

Publication number
JPS62189186U
JPS62189186U JP7928986U JP7928986U JPS62189186U JP S62189186 U JPS62189186 U JP S62189186U JP 7928986 U JP7928986 U JP 7928986U JP 7928986 U JP7928986 U JP 7928986U JP S62189186 U JPS62189186 U JP S62189186U
Authority
JP
Japan
Prior art keywords
peripheral surface
number identification
pencil
numbers
displayed
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
JP7928986U
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 JP7928986U priority Critical patent/JPS62189186U/ja
Publication of JPS62189186U publication Critical patent/JPS62189186U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP7928986U 1986-05-26 1986-05-26 Pending JPS62189186U (US06368395-20020409-C00050.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7928986U JPS62189186U (US06368395-20020409-C00050.png) 1986-05-26 1986-05-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7928986U JPS62189186U (US06368395-20020409-C00050.png) 1986-05-26 1986-05-26

Publications (1)

Publication Number Publication Date
JPS62189186U true JPS62189186U (US06368395-20020409-C00050.png) 1987-12-02

Family

ID=30929012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7928986U Pending JPS62189186U (US06368395-20020409-C00050.png) 1986-05-26 1986-05-26

Country Status (1)

Country Link
JP (1) JPS62189186U (US06368395-20020409-C00050.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5745401A (en) * 1980-09-03 1982-03-15 Norihiro Inoue Constant proportional measure

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5745401A (en) * 1980-09-03 1982-03-15 Norihiro Inoue Constant proportional measure

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