JPH01178996U - - Google Patents

Info

Publication number
JPH01178996U
JPH01178996U JP7472088U JP7472088U JPH01178996U JP H01178996 U JPH01178996 U JP H01178996U JP 7472088 U JP7472088 U JP 7472088U JP 7472088 U JP7472088 U JP 7472088U JP H01178996 U JPH01178996 U JP H01178996U
Authority
JP
Japan
Prior art keywords
straightedge
edge
straight edge
straight
cutouts
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
JP7472088U
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 JP7472088U priority Critical patent/JPH01178996U/ja
Publication of JPH01178996U publication Critical patent/JPH01178996U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP7472088U 1988-06-07 1988-06-07 Pending JPH01178996U (US20100223739A1-20100909-C00005.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7472088U JPH01178996U (US20100223739A1-20100909-C00005.png) 1988-06-07 1988-06-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7472088U JPH01178996U (US20100223739A1-20100909-C00005.png) 1988-06-07 1988-06-07

Publications (1)

Publication Number Publication Date
JPH01178996U true JPH01178996U (US20100223739A1-20100909-C00005.png) 1989-12-21

Family

ID=31299820

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7472088U Pending JPH01178996U (US20100223739A1-20100909-C00005.png) 1988-06-07 1988-06-07

Country Status (1)

Country Link
JP (1) JPH01178996U (US20100223739A1-20100909-C00005.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5617182B2 (US20100223739A1-20100909-C00005.png) * 1975-04-30 1981-04-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5617182B2 (US20100223739A1-20100909-C00005.png) * 1975-04-30 1981-04-21

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