JPS60178189U - 黒板のチヨ−ク粉清掃装置 - Google Patents

黒板のチヨ−ク粉清掃装置

Info

Publication number
JPS60178189U
JPS60178189U JP6516684U JP6516684U JPS60178189U JP S60178189 U JPS60178189 U JP S60178189U JP 6516684 U JP6516684 U JP 6516684U JP 6516684 U JP6516684 U JP 6516684U JP S60178189 U JPS60178189 U JP S60178189U
Authority
JP
Japan
Prior art keywords
chalk powder
cleaning device
box
blackboard
storage frame
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
JP6516684U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0223430Y2 (enrdf_load_stackoverflow
Inventor
幸男 森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP6516684U priority Critical patent/JPS60178189U/ja
Publication of JPS60178189U publication Critical patent/JPS60178189U/ja
Application granted granted Critical
Publication of JPH0223430Y2 publication Critical patent/JPH0223430Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP6516684U 1984-05-02 1984-05-02 黒板のチヨ−ク粉清掃装置 Granted JPS60178189U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6516684U JPS60178189U (ja) 1984-05-02 1984-05-02 黒板のチヨ−ク粉清掃装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6516684U JPS60178189U (ja) 1984-05-02 1984-05-02 黒板のチヨ−ク粉清掃装置

Publications (2)

Publication Number Publication Date
JPS60178189U true JPS60178189U (ja) 1985-11-26
JPH0223430Y2 JPH0223430Y2 (enrdf_load_stackoverflow) 1990-06-26

Family

ID=30596916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6516684U Granted JPS60178189U (ja) 1984-05-02 1984-05-02 黒板のチヨ−ク粉清掃装置

Country Status (1)

Country Link
JP (1) JPS60178189U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0390994U (enrdf_load_stackoverflow) * 1989-12-28 1991-09-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0390994U (enrdf_load_stackoverflow) * 1989-12-28 1991-09-17

Also Published As

Publication number Publication date
JPH0223430Y2 (enrdf_load_stackoverflow) 1990-06-26

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