JPS643494U - - Google Patents

Info

Publication number
JPS643494U
JPS643494U JP9818087U JP9818087U JPS643494U JP S643494 U JPS643494 U JP S643494U JP 9818087 U JP9818087 U JP 9818087U JP 9818087 U JP9818087 U JP 9818087U JP S643494 U JPS643494 U JP S643494U
Authority
JP
Japan
Prior art keywords
hollow member
electronic whiteboard
pulley
hollow
whiteboard device
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
JP9818087U
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 JP9818087U priority Critical patent/JPS643494U/ja
Publication of JPS643494U publication Critical patent/JPS643494U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP9818087U 1987-06-26 1987-06-26 Pending JPS643494U (US07655688-20100202-C00086.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9818087U JPS643494U (US07655688-20100202-C00086.png) 1987-06-26 1987-06-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9818087U JPS643494U (US07655688-20100202-C00086.png) 1987-06-26 1987-06-26

Publications (1)

Publication Number Publication Date
JPS643494U true JPS643494U (US07655688-20100202-C00086.png) 1989-01-10

Family

ID=31324213

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9818087U Pending JPS643494U (US07655688-20100202-C00086.png) 1987-06-26 1987-06-26

Country Status (1)

Country Link
JP (1) JPS643494U (US07655688-20100202-C00086.png)

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