JPS63148488U - - Google Patents

Info

Publication number
JPS63148488U
JPS63148488U JP4079487U JP4079487U JPS63148488U JP S63148488 U JPS63148488 U JP S63148488U JP 4079487 U JP4079487 U JP 4079487U JP 4079487 U JP4079487 U JP 4079487U JP S63148488 U JPS63148488 U JP S63148488U
Authority
JP
Japan
Prior art keywords
equal
outer periphery
synthetic resin
transparent synthetic
protractor
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
JP4079487U
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 JP4079487U priority Critical patent/JPS63148488U/ja
Publication of JPS63148488U publication Critical patent/JPS63148488U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
JP4079487U 1987-03-23 1987-03-23 Pending JPS63148488U (US20020095090A1-20020718-M00002.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4079487U JPS63148488U (US20020095090A1-20020718-M00002.png) 1987-03-23 1987-03-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4079487U JPS63148488U (US20020095090A1-20020718-M00002.png) 1987-03-23 1987-03-23

Publications (1)

Publication Number Publication Date
JPS63148488U true JPS63148488U (US20020095090A1-20020718-M00002.png) 1988-09-29

Family

ID=30855196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4079487U Pending JPS63148488U (US20020095090A1-20020718-M00002.png) 1987-03-23 1987-03-23

Country Status (1)

Country Link
JP (1) JPS63148488U (US20020095090A1-20020718-M00002.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS416023Y1 (US20020095090A1-20020718-M00002.png) * 1964-03-30 1966-03-29

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS416023Y1 (US20020095090A1-20020718-M00002.png) * 1964-03-30 1966-03-29

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