JPS5821483U - 着脱自在な粉受を備えた黒板類 - Google Patents

着脱自在な粉受を備えた黒板類

Info

Publication number
JPS5821483U
JPS5821483U JP11534581U JP11534581U JPS5821483U JP S5821483 U JPS5821483 U JP S5821483U JP 11534581 U JP11534581 U JP 11534581U JP 11534581 U JP11534581 U JP 11534581U JP S5821483 U JPS5821483 U JP S5821483U
Authority
JP
Japan
Prior art keywords
edge
plate
shaped
hook
frame material
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.)
Granted
Application number
JP11534581U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6229278Y2 (bg
Inventor
吉田　富雄
正夫 山田
Original Assignee
日学株式会社
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 日学株式会社 filed Critical 日学株式会社
Priority to JP11534581U priority Critical patent/JPS5821483U/ja
Publication of JPS5821483U publication Critical patent/JPS5821483U/ja
Application granted granted Critical
Publication of JPS6229278Y2 publication Critical patent/JPS6229278Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP11534581U 1981-08-04 1981-08-04 着脱自在な粉受を備えた黒板類 Granted JPS5821483U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11534581U JPS5821483U (ja) 1981-08-04 1981-08-04 着脱自在な粉受を備えた黒板類

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11534581U JPS5821483U (ja) 1981-08-04 1981-08-04 着脱自在な粉受を備えた黒板類

Publications (2)

Publication Number Publication Date
JPS5821483U true JPS5821483U (ja) 1983-02-09
JPS6229278Y2 JPS6229278Y2 (bg) 1987-07-27

Family

ID=29909611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11534581U Granted JPS5821483U (ja) 1981-08-04 1981-08-04 着脱自在な粉受を備えた黒板類

Country Status (1)

Country Link
JP (1) JPS5821483U (bg)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01206099A (ja) * 1988-02-15 1989-08-18 Nichigaku Kk 壁掛・回転、兼用掲示板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01206099A (ja) * 1988-02-15 1989-08-18 Nichigaku Kk 壁掛・回転、兼用掲示板

Also Published As

Publication number Publication date
JPS6229278Y2 (bg) 1987-07-27

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