JPH01142978U - - Google Patents

Info

Publication number
JPH01142978U
JPH01142978U JP3808588U JP3808588U JPH01142978U JP H01142978 U JPH01142978 U JP H01142978U JP 3808588 U JP3808588 U JP 3808588U JP 3808588 U JP3808588 U JP 3808588U JP H01142978 U JPH01142978 U JP H01142978U
Authority
JP
Japan
Prior art keywords
center point
line
right triangle
perpendicular line
draw
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.)
Granted
Application number
JP3808588U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0514291Y2 (enrdf_load_stackoverflow
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 JP3808588U priority Critical patent/JPH0514291Y2/ja
Publication of JPH01142978U publication Critical patent/JPH01142978U/ja
Application granted granted Critical
Publication of JPH0514291Y2 publication Critical patent/JPH0514291Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP3808588U 1988-03-23 1988-03-23 Expired - Lifetime JPH0514291Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3808588U JPH0514291Y2 (enrdf_load_stackoverflow) 1988-03-23 1988-03-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3808588U JPH0514291Y2 (enrdf_load_stackoverflow) 1988-03-23 1988-03-23

Publications (2)

Publication Number Publication Date
JPH01142978U true JPH01142978U (enrdf_load_stackoverflow) 1989-09-29
JPH0514291Y2 JPH0514291Y2 (enrdf_load_stackoverflow) 1993-04-16

Family

ID=31264655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3808588U Expired - Lifetime JPH0514291Y2 (enrdf_load_stackoverflow) 1988-03-23 1988-03-23

Country Status (1)

Country Link
JP (1) JPH0514291Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0514291Y2 (enrdf_load_stackoverflow) 1993-04-16

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