JPH0226712Y2 - - Google Patents

Info

Publication number
JPH0226712Y2
JPH0226712Y2 JP1983201309U JP20130983U JPH0226712Y2 JP H0226712 Y2 JPH0226712 Y2 JP H0226712Y2 JP 1983201309 U JP1983201309 U JP 1983201309U JP 20130983 U JP20130983 U JP 20130983U JP H0226712 Y2 JPH0226712 Y2 JP H0226712Y2
Authority
JP
Japan
Prior art keywords
side edge
center
straight line
straight
line
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
JP1983201309U
Other languages
English (en)
Japanese (ja)
Other versions
JPS60109993U (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 JP20130983U priority Critical patent/JPS60109993U/ja
Publication of JPS60109993U publication Critical patent/JPS60109993U/ja
Application granted granted Critical
Publication of JPH0226712Y2 publication Critical patent/JPH0226712Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP20130983U 1983-12-28 1983-12-28 円グラフ定規 Granted JPS60109993U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20130983U JPS60109993U (ja) 1983-12-28 1983-12-28 円グラフ定規

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20130983U JPS60109993U (ja) 1983-12-28 1983-12-28 円グラフ定規

Publications (2)

Publication Number Publication Date
JPS60109993U JPS60109993U (ja) 1985-07-25
JPH0226712Y2 true JPH0226712Y2 (https=) 1990-07-19

Family

ID=30762978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20130983U Granted JPS60109993U (ja) 1983-12-28 1983-12-28 円グラフ定規

Country Status (1)

Country Link
JP (1) JPS60109993U (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5009436B1 (ja) * 2011-12-17 2012-08-22 雄一 伊藤 作画用補助器具

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5416543U (https=) * 1977-07-02 1979-02-02

Also Published As

Publication number Publication date
JPS60109993U (ja) 1985-07-25

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