JPS63189698U - - Google Patents

Info

Publication number
JPS63189698U
JPS63189698U JP8243187U JP8243187U JPS63189698U JP S63189698 U JPS63189698 U JP S63189698U JP 8243187 U JP8243187 U JP 8243187U JP 8243187 U JP8243187 U JP 8243187U JP S63189698 U JPS63189698 U JP S63189698U
Authority
JP
Japan
Prior art keywords
line
ruler
long hole
fulcrum
perspective
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
JP8243187U
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 JP8243187U priority Critical patent/JPS63189698U/ja
Publication of JPS63189698U publication Critical patent/JPS63189698U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP8243187U 1987-05-29 1987-05-29 Pending JPS63189698U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8243187U JPS63189698U (enrdf_load_stackoverflow) 1987-05-29 1987-05-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8243187U JPS63189698U (enrdf_load_stackoverflow) 1987-05-29 1987-05-29

Publications (1)

Publication Number Publication Date
JPS63189698U true JPS63189698U (enrdf_load_stackoverflow) 1988-12-06

Family

ID=30935082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8243187U Pending JPS63189698U (enrdf_load_stackoverflow) 1987-05-29 1987-05-29

Country Status (1)

Country Link
JP (1) JPS63189698U (enrdf_load_stackoverflow)

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