JPS5921038Y2 - 黒板における白墨粉受体の取付構造 - Google Patents

黒板における白墨粉受体の取付構造

Info

Publication number
JPS5921038Y2
JPS5921038Y2 JP1980155469U JP15546980U JPS5921038Y2 JP S5921038 Y2 JPS5921038 Y2 JP S5921038Y2 JP 1980155469 U JP1980155469 U JP 1980155469U JP 15546980 U JP15546980 U JP 15546980U JP S5921038 Y2 JPS5921038 Y2 JP S5921038Y2
Authority
JP
Japan
Prior art keywords
blackboard
support frame
chalk powder
chalk
hook
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.)
Expired
Application number
JP1980155469U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5776093U (cs
Inventor
忠成 一色
Original Assignee
一色興業株式会社
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 by 一色興業株式会社 filed Critical 一色興業株式会社
Priority to JP1980155469U priority Critical patent/JPS5921038Y2/ja
Publication of JPS5776093U publication Critical patent/JPS5776093U/ja
Application granted granted Critical
Publication of JPS5921038Y2 publication Critical patent/JPS5921038Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP1980155469U 1980-10-29 1980-10-29 黒板における白墨粉受体の取付構造 Expired JPS5921038Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980155469U JPS5921038Y2 (ja) 1980-10-29 1980-10-29 黒板における白墨粉受体の取付構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980155469U JPS5921038Y2 (ja) 1980-10-29 1980-10-29 黒板における白墨粉受体の取付構造

Publications (2)

Publication Number Publication Date
JPS5776093U JPS5776093U (cs) 1982-05-11
JPS5921038Y2 true JPS5921038Y2 (ja) 1984-06-19

Family

ID=29514661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980155469U Expired JPS5921038Y2 (ja) 1980-10-29 1980-10-29 黒板における白墨粉受体の取付構造

Country Status (1)

Country Link
JP (1) JPS5921038Y2 (cs)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5418270U (cs) * 1977-07-08 1979-02-06
JPS5722182Y2 (cs) * 1977-08-04 1982-05-14

Also Published As

Publication number Publication date
JPS5776093U (cs) 1982-05-11

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