JPH01146995U - - Google Patents

Info

Publication number
JPH01146995U
JPH01146995U JP4489088U JP4489088U JPH01146995U JP H01146995 U JPH01146995 U JP H01146995U JP 4489088 U JP4489088 U JP 4489088U JP 4489088 U JP4489088 U JP 4489088U JP H01146995 U JPH01146995 U JP H01146995U
Authority
JP
Japan
Prior art keywords
circular hole
ruler
circle
hole
radius
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
JP4489088U
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 JP4489088U priority Critical patent/JPH01146995U/ja
Publication of JPH01146995U publication Critical patent/JPH01146995U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP4489088U 1988-04-01 1988-04-01 Pending JPH01146995U (US06653308-20031125-C00199.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4489088U JPH01146995U (US06653308-20031125-C00199.png) 1988-04-01 1988-04-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4489088U JPH01146995U (US06653308-20031125-C00199.png) 1988-04-01 1988-04-01

Publications (1)

Publication Number Publication Date
JPH01146995U true JPH01146995U (US06653308-20031125-C00199.png) 1989-10-11

Family

ID=31271225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4489088U Pending JPH01146995U (US06653308-20031125-C00199.png) 1988-04-01 1988-04-01

Country Status (1)

Country Link
JP (1) JPH01146995U (US06653308-20031125-C00199.png)

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