JPS6345352Y2 - - Google Patents

Info

Publication number
JPS6345352Y2
JPS6345352Y2 JP1981159095U JP15909581U JPS6345352Y2 JP S6345352 Y2 JPS6345352 Y2 JP S6345352Y2 JP 1981159095 U JP1981159095 U JP 1981159095U JP 15909581 U JP15909581 U JP 15909581U JP S6345352 Y2 JPS6345352 Y2 JP S6345352Y2
Authority
JP
Japan
Prior art keywords
blackboard
powder
wiping
scattering
wiper
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
JP1981159095U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5864499U (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 JP15909581U priority Critical patent/JPS5864499U/ja
Publication of JPS5864499U publication Critical patent/JPS5864499U/ja
Application granted granted Critical
Publication of JPS6345352Y2 publication Critical patent/JPS6345352Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP15909581U 1981-10-27 1981-10-27 チヨ−ク紛飛散防止板付黒板拭き Granted JPS5864499U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15909581U JPS5864499U (ja) 1981-10-27 1981-10-27 チヨ−ク紛飛散防止板付黒板拭き

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15909581U JPS5864499U (ja) 1981-10-27 1981-10-27 チヨ−ク紛飛散防止板付黒板拭き

Publications (2)

Publication Number Publication Date
JPS5864499U JPS5864499U (ja) 1983-04-30
JPS6345352Y2 true JPS6345352Y2 (cs) 1988-11-24

Family

ID=29951569

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15909581U Granted JPS5864499U (ja) 1981-10-27 1981-10-27 チヨ−ク紛飛散防止板付黒板拭き

Country Status (1)

Country Link
JP (1) JPS5864499U (cs)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS483344U (cs) * 1971-05-21 1973-01-16

Also Published As

Publication number Publication date
JPS5864499U (ja) 1983-04-30

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