JPS63176690U - - Google Patents

Info

Publication number
JPS63176690U
JPS63176690U JP6857787U JP6857787U JPS63176690U JP S63176690 U JPS63176690 U JP S63176690U JP 6857787 U JP6857787 U JP 6857787U JP 6857787 U JP6857787 U JP 6857787U JP S63176690 U JPS63176690 U JP S63176690U
Authority
JP
Japan
Prior art keywords
eraser
drive unit
writing board
board
writing
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
JP6857787U
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 JP6857787U priority Critical patent/JPS63176690U/ja
Publication of JPS63176690U publication Critical patent/JPS63176690U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP6857787U 1987-05-07 1987-05-07 Pending JPS63176690U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6857787U JPS63176690U (enrdf_load_stackoverflow) 1987-05-07 1987-05-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6857787U JPS63176690U (enrdf_load_stackoverflow) 1987-05-07 1987-05-07

Publications (1)

Publication Number Publication Date
JPS63176690U true JPS63176690U (enrdf_load_stackoverflow) 1988-11-16

Family

ID=30908520

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6857787U Pending JPS63176690U (enrdf_load_stackoverflow) 1987-05-07 1987-05-07

Country Status (1)

Country Link
JP (1) JPS63176690U (enrdf_load_stackoverflow)

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