JPS5829490U - 黒板用粉受け - Google Patents

黒板用粉受け

Info

Publication number
JPS5829490U
JPS5829490U JP12434781U JP12434781U JPS5829490U JP S5829490 U JPS5829490 U JP S5829490U JP 12434781 U JP12434781 U JP 12434781U JP 12434781 U JP12434781 U JP 12434781U JP S5829490 U JPS5829490 U JP S5829490U
Authority
JP
Japan
Prior art keywords
blackboard
powder
powder tray
groove
tray
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
JP12434781U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6323189Y2 (enrdf_load_stackoverflow
Inventor
勝紀 坂和
Original Assignee
合資会社サカワ黒板製作所
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 合資会社サカワ黒板製作所 filed Critical 合資会社サカワ黒板製作所
Priority to JP12434781U priority Critical patent/JPS5829490U/ja
Publication of JPS5829490U publication Critical patent/JPS5829490U/ja
Application granted granted Critical
Publication of JPS6323189Y2 publication Critical patent/JPS6323189Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP12434781U 1981-08-23 1981-08-23 黒板用粉受け Granted JPS5829490U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12434781U JPS5829490U (ja) 1981-08-23 1981-08-23 黒板用粉受け

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12434781U JPS5829490U (ja) 1981-08-23 1981-08-23 黒板用粉受け

Publications (2)

Publication Number Publication Date
JPS5829490U true JPS5829490U (ja) 1983-02-25
JPS6323189Y2 JPS6323189Y2 (enrdf_load_stackoverflow) 1988-06-24

Family

ID=29918216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12434781U Granted JPS5829490U (ja) 1981-08-23 1981-08-23 黒板用粉受け

Country Status (1)

Country Link
JP (1) JPS5829490U (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55136590U (enrdf_load_stackoverflow) * 1979-03-20 1980-09-29

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55136590U (enrdf_load_stackoverflow) * 1979-03-20 1980-09-29

Also Published As

Publication number Publication date
JPS6323189Y2 (enrdf_load_stackoverflow) 1988-06-24

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