JPH02121990U - - Google Patents

Info

Publication number
JPH02121990U
JPH02121990U JP3142689U JP3142689U JPH02121990U JP H02121990 U JPH02121990 U JP H02121990U JP 3142689 U JP3142689 U JP 3142689U JP 3142689 U JP3142689 U JP 3142689U JP H02121990 U JPH02121990 U JP H02121990U
Authority
JP
Japan
Prior art keywords
display board
scaled ruler
scaled
ruler
fulcrum
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
JP3142689U
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 JP3142689U priority Critical patent/JPH02121990U/ja
Publication of JPH02121990U publication Critical patent/JPH02121990U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
JP3142689U 1989-03-22 1989-03-22 Pending JPH02121990U (US08063081-20111122-C00242.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3142689U JPH02121990U (US08063081-20111122-C00242.png) 1989-03-22 1989-03-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3142689U JPH02121990U (US08063081-20111122-C00242.png) 1989-03-22 1989-03-22

Publications (1)

Publication Number Publication Date
JPH02121990U true JPH02121990U (US08063081-20111122-C00242.png) 1990-10-04

Family

ID=31257280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3142689U Pending JPH02121990U (US08063081-20111122-C00242.png) 1989-03-22 1989-03-22

Country Status (1)

Country Link
JP (1) JPH02121990U (US08063081-20111122-C00242.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS454255Y1 (US08063081-20111122-C00242.png) * 1967-07-19 1970-02-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS454255Y1 (US08063081-20111122-C00242.png) * 1967-07-19 1970-02-27

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