JPH0195387U - - Google Patents

Info

Publication number
JPH0195387U
JPH0195387U JP19301687U JP19301687U JPH0195387U JP H0195387 U JPH0195387 U JP H0195387U JP 19301687 U JP19301687 U JP 19301687U JP 19301687 U JP19301687 U JP 19301687U JP H0195387 U JPH0195387 U JP H0195387U
Authority
JP
Japan
Prior art keywords
sprockets
blackboard
sprocket
catcher
turning
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
JP19301687U
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 JP19301687U priority Critical patent/JPH0195387U/ja
Publication of JPH0195387U publication Critical patent/JPH0195387U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP19301687U 1987-12-18 1987-12-18 Pending JPH0195387U (US07166745-20070123-C00016.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19301687U JPH0195387U (US07166745-20070123-C00016.png) 1987-12-18 1987-12-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19301687U JPH0195387U (US07166745-20070123-C00016.png) 1987-12-18 1987-12-18

Publications (1)

Publication Number Publication Date
JPH0195387U true JPH0195387U (US07166745-20070123-C00016.png) 1989-06-23

Family

ID=31483836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19301687U Pending JPH0195387U (US07166745-20070123-C00016.png) 1987-12-18 1987-12-18

Country Status (1)

Country Link
JP (1) JPH0195387U (US07166745-20070123-C00016.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012101405A (ja) * 2010-11-09 2012-05-31 Nichigaku Kk 上下式黒板用の制動装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012101405A (ja) * 2010-11-09 2012-05-31 Nichigaku Kk 上下式黒板用の制動装置

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