JPH0229785U - - Google Patents

Info

Publication number
JPH0229785U
JPH0229785U JP10939088U JP10939088U JPH0229785U JP H0229785 U JPH0229785 U JP H0229785U JP 10939088 U JP10939088 U JP 10939088U JP 10939088 U JP10939088 U JP 10939088U JP H0229785 U JPH0229785 U JP H0229785U
Authority
JP
Japan
Prior art keywords
corner
triangular ruler
degrees
extend
adjacent
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
JP10939088U
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 JP10939088U priority Critical patent/JPH0229785U/ja
Publication of JPH0229785U publication Critical patent/JPH0229785U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP10939088U 1988-08-19 1988-08-19 Pending JPH0229785U (US20100223739A1-20100909-C00025.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10939088U JPH0229785U (US20100223739A1-20100909-C00025.png) 1988-08-19 1988-08-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10939088U JPH0229785U (US20100223739A1-20100909-C00025.png) 1988-08-19 1988-08-19

Publications (1)

Publication Number Publication Date
JPH0229785U true JPH0229785U (US20100223739A1-20100909-C00025.png) 1990-02-26

Family

ID=31345589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10939088U Pending JPH0229785U (US20100223739A1-20100909-C00025.png) 1988-08-19 1988-08-19

Country Status (1)

Country Link
JP (1) JPH0229785U (US20100223739A1-20100909-C00025.png)

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