JPS63104088U - - Google Patents

Info

Publication number
JPS63104088U
JPS63104088U JP20083186U JP20083186U JPS63104088U JP S63104088 U JPS63104088 U JP S63104088U JP 20083186 U JP20083186 U JP 20083186U JP 20083186 U JP20083186 U JP 20083186U JP S63104088 U JPS63104088 U JP S63104088U
Authority
JP
Japan
Prior art keywords
ruler
degrees
triangular
hypotenuse
parallel
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
JP20083186U
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 JP20083186U priority Critical patent/JPS63104088U/ja
Publication of JPS63104088U publication Critical patent/JPS63104088U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP20083186U 1986-12-26 1986-12-26 Pending JPS63104088U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20083186U JPS63104088U (enrdf_load_stackoverflow) 1986-12-26 1986-12-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20083186U JPS63104088U (enrdf_load_stackoverflow) 1986-12-26 1986-12-26

Publications (1)

Publication Number Publication Date
JPS63104088U true JPS63104088U (enrdf_load_stackoverflow) 1988-07-06

Family

ID=31163717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20083186U Pending JPS63104088U (enrdf_load_stackoverflow) 1986-12-26 1986-12-26

Country Status (1)

Country Link
JP (1) JPS63104088U (enrdf_load_stackoverflow)

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