JPS6234798Y2 - - Google Patents

Info

Publication number
JPS6234798Y2
JPS6234798Y2 JP8500082U JP8500082U JPS6234798Y2 JP S6234798 Y2 JPS6234798 Y2 JP S6234798Y2 JP 8500082 U JP8500082 U JP 8500082U JP 8500082 U JP8500082 U JP 8500082U JP S6234798 Y2 JPS6234798 Y2 JP S6234798Y2
Authority
JP
Japan
Prior art keywords
triangular
regular
angles
ruler
angle
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
JP8500082U
Other languages
English (en)
Japanese (ja)
Other versions
JPS58187490U (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 JP8500082U priority Critical patent/JPS58187490U/ja
Publication of JPS58187490U publication Critical patent/JPS58187490U/ja
Application granted granted Critical
Publication of JPS6234798Y2 publication Critical patent/JPS6234798Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP8500082U 1982-06-08 1982-06-08 正多角形作図用三角定規 Granted JPS58187490U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8500082U JPS58187490U (ja) 1982-06-08 1982-06-08 正多角形作図用三角定規

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8500082U JPS58187490U (ja) 1982-06-08 1982-06-08 正多角形作図用三角定規

Publications (2)

Publication Number Publication Date
JPS58187490U JPS58187490U (ja) 1983-12-13
JPS6234798Y2 true JPS6234798Y2 (en]) 1987-09-04

Family

ID=30093917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8500082U Granted JPS58187490U (ja) 1982-06-08 1982-06-08 正多角形作図用三角定規

Country Status (1)

Country Link
JP (1) JPS58187490U (en])

Also Published As

Publication number Publication date
JPS58187490U (ja) 1983-12-13

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