JPS6343794U - - Google Patents

Info

Publication number
JPS6343794U
JPS6343794U JP13910386U JP13910386U JPS6343794U JP S6343794 U JPS6343794 U JP S6343794U JP 13910386 U JP13910386 U JP 13910386U JP 13910386 U JP13910386 U JP 13910386U JP S6343794 U JPS6343794 U JP S6343794U
Authority
JP
Japan
Prior art keywords
triangular
triangular ruler
ruler
corner angles
displayed
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
JP13910386U
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 JP13910386U priority Critical patent/JPS6343794U/ja
Publication of JPS6343794U publication Critical patent/JPS6343794U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
JP13910386U 1986-09-09 1986-09-09 Pending JPS6343794U (US20030204162A1-20031030-M00001.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13910386U JPS6343794U (US20030204162A1-20031030-M00001.png) 1986-09-09 1986-09-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13910386U JPS6343794U (US20030204162A1-20031030-M00001.png) 1986-09-09 1986-09-09

Publications (1)

Publication Number Publication Date
JPS6343794U true JPS6343794U (US20030204162A1-20031030-M00001.png) 1988-03-24

Family

ID=31044686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13910386U Pending JPS6343794U (US20030204162A1-20031030-M00001.png) 1986-09-09 1986-09-09

Country Status (1)

Country Link
JP (1) JPS6343794U (US20030204162A1-20031030-M00001.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100393536C (zh) * 2006-06-13 2008-06-11 赵建科 三等分角绘图仪

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100393536C (zh) * 2006-06-13 2008-06-11 赵建科 三等分角绘图仪

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