JPS61168991U - - Google Patents

Info

Publication number
JPS61168991U
JPS61168991U JP5167685U JP5167685U JPS61168991U JP S61168991 U JPS61168991 U JP S61168991U JP 5167685 U JP5167685 U JP 5167685U JP 5167685 U JP5167685 U JP 5167685U JP S61168991 U JPS61168991 U JP S61168991U
Authority
JP
Japan
Prior art keywords
triangular scale
divided
recombinably
sections
utility
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
JP5167685U
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 JP5167685U priority Critical patent/JPS61168991U/ja
Publication of JPS61168991U publication Critical patent/JPS61168991U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP5167685U 1985-04-09 1985-04-09 Pending JPS61168991U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5167685U JPS61168991U (enrdf_load_stackoverflow) 1985-04-09 1985-04-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5167685U JPS61168991U (enrdf_load_stackoverflow) 1985-04-09 1985-04-09

Publications (1)

Publication Number Publication Date
JPS61168991U true JPS61168991U (enrdf_load_stackoverflow) 1986-10-20

Family

ID=30570939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5167685U Pending JPS61168991U (enrdf_load_stackoverflow) 1985-04-09 1985-04-09

Country Status (1)

Country Link
JP (1) JPS61168991U (enrdf_load_stackoverflow)

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