JPS60166593U - 黒板チヨ−ク粉清掃装置 - Google Patents

黒板チヨ−ク粉清掃装置

Info

Publication number
JPS60166593U
JPS60166593U JP5404984U JP5404984U JPS60166593U JP S60166593 U JPS60166593 U JP S60166593U JP 5404984 U JP5404984 U JP 5404984U JP 5404984 U JP5404984 U JP 5404984U JP S60166593 U JPS60166593 U JP S60166593U
Authority
JP
Japan
Prior art keywords
chalk powder
blackboard
cleaning device
receiving gutter
wiping
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
JP5404984U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0245035Y2 (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 JP5404984U priority Critical patent/JPS60166593U/ja
Publication of JPS60166593U publication Critical patent/JPS60166593U/ja
Application granted granted Critical
Publication of JPH0245035Y2 publication Critical patent/JPH0245035Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP5404984U 1984-04-11 1984-04-11 黒板チヨ−ク粉清掃装置 Granted JPS60166593U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5404984U JPS60166593U (ja) 1984-04-11 1984-04-11 黒板チヨ−ク粉清掃装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5404984U JPS60166593U (ja) 1984-04-11 1984-04-11 黒板チヨ−ク粉清掃装置

Publications (2)

Publication Number Publication Date
JPS60166593U true JPS60166593U (ja) 1985-11-05
JPH0245035Y2 JPH0245035Y2 (enrdf_load_stackoverflow) 1990-11-29

Family

ID=30575464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5404984U Granted JPS60166593U (ja) 1984-04-11 1984-04-11 黒板チヨ−ク粉清掃装置

Country Status (1)

Country Link
JP (1) JPS60166593U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0245035Y2 (enrdf_load_stackoverflow) 1990-11-29

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