JPH03129493U - - Google Patents

Info

Publication number
JPH03129493U
JPH03129493U JP3776090U JP3776090U JPH03129493U JP H03129493 U JPH03129493 U JP H03129493U JP 3776090 U JP3776090 U JP 3776090U JP 3776090 U JP3776090 U JP 3776090U JP H03129493 U JPH03129493 U JP H03129493U
Authority
JP
Japan
Prior art keywords
ruler
curved surface
resilience
utility
scope
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
JP3776090U
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 JP3776090U priority Critical patent/JPH03129493U/ja
Publication of JPH03129493U publication Critical patent/JPH03129493U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP3776090U 1990-04-09 1990-04-09 Pending JPH03129493U (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3776090U JPH03129493U (fr) 1990-04-09 1990-04-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3776090U JPH03129493U (fr) 1990-04-09 1990-04-09

Publications (1)

Publication Number Publication Date
JPH03129493U true JPH03129493U (fr) 1991-12-26

Family

ID=31545160

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3776090U Pending JPH03129493U (fr) 1990-04-09 1990-04-09

Country Status (1)

Country Link
JP (1) JPH03129493U (fr)

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