JPH0650238Y2 - 楕円定規 - Google Patents

楕円定規

Info

Publication number
JPH0650238Y2
JPH0650238Y2 JP1987196334U JP19633487U JPH0650238Y2 JP H0650238 Y2 JPH0650238 Y2 JP H0650238Y2 JP 1987196334 U JP1987196334 U JP 1987196334U JP 19633487 U JP19633487 U JP 19633487U JP H0650238 Y2 JPH0650238 Y2 JP H0650238Y2
Authority
JP
Japan
Prior art keywords
elliptical hole
elliptical
ellipse
hole
ruler
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 - Lifetime
Application number
JP1987196334U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0199693U (enrdf_load_stackoverflow
Inventor
忠明 井上
Original Assignee
有限会社井上製作所
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 by 有限会社井上製作所 filed Critical 有限会社井上製作所
Priority to JP1987196334U priority Critical patent/JPH0650238Y2/ja
Publication of JPH0199693U publication Critical patent/JPH0199693U/ja
Application granted granted Critical
Publication of JPH0650238Y2 publication Critical patent/JPH0650238Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP1987196334U 1987-12-24 1987-12-24 楕円定規 Expired - Lifetime JPH0650238Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987196334U JPH0650238Y2 (ja) 1987-12-24 1987-12-24 楕円定規

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987196334U JPH0650238Y2 (ja) 1987-12-24 1987-12-24 楕円定規

Publications (2)

Publication Number Publication Date
JPH0199693U JPH0199693U (enrdf_load_stackoverflow) 1989-07-04
JPH0650238Y2 true JPH0650238Y2 (ja) 1994-12-21

Family

ID=31486957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987196334U Expired - Lifetime JPH0650238Y2 (ja) 1987-12-24 1987-12-24 楕円定規

Country Status (1)

Country Link
JP (1) JPH0650238Y2 (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59153196U (ja) * 1983-03-30 1984-10-13 福原　治 角度割指標つきテンプレ−ト

Also Published As

Publication number Publication date
JPH0199693U (enrdf_load_stackoverflow) 1989-07-04

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