JPS6416393U - - Google Patents

Info

Publication number
JPS6416393U
JPS6416393U JP11083087U JP11083087U JPS6416393U JP S6416393 U JPS6416393 U JP S6416393U JP 11083087 U JP11083087 U JP 11083087U JP 11083087 U JP11083087 U JP 11083087U JP S6416393 U JPS6416393 U JP S6416393U
Authority
JP
Japan
Prior art keywords
triangular
pair
rulers
flat part
view
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
JP11083087U
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 JP11083087U priority Critical patent/JPS6416393U/ja
Publication of JPS6416393U publication Critical patent/JPS6416393U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP11083087U 1987-07-20 1987-07-20 Pending JPS6416393U (US20030157376A1-20030821-M00001.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11083087U JPS6416393U (US20030157376A1-20030821-M00001.png) 1987-07-20 1987-07-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11083087U JPS6416393U (US20030157376A1-20030821-M00001.png) 1987-07-20 1987-07-20

Publications (1)

Publication Number Publication Date
JPS6416393U true JPS6416393U (US20030157376A1-20030821-M00001.png) 1989-01-26

Family

ID=31348345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11083087U Pending JPS6416393U (US20030157376A1-20030821-M00001.png) 1987-07-20 1987-07-20

Country Status (1)

Country Link
JP (1) JPS6416393U (US20030157376A1-20030821-M00001.png)

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