JPS5329827A - Blackboard cleaner - Google Patents

Blackboard cleaner

Info

Publication number
JPS5329827A
JPS5329827A JP10299076A JP10299076A JPS5329827A JP S5329827 A JPS5329827 A JP S5329827A JP 10299076 A JP10299076 A JP 10299076A JP 10299076 A JP10299076 A JP 10299076A JP S5329827 A JPS5329827 A JP S5329827A
Authority
JP
Japan
Prior art keywords
blackboard cleaner
blackboard
cleaner
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
JP10299076A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5440967B2 (enrdf_load_stackoverflow
Inventor
Kazuma Nakamura
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 JP10299076A priority Critical patent/JPS5329827A/ja
Publication of JPS5329827A publication Critical patent/JPS5329827A/ja
Publication of JPS5440967B2 publication Critical patent/JPS5440967B2/ja
Granted legal-status Critical Current

Links

JP10299076A 1976-08-27 1976-08-27 Blackboard cleaner Granted JPS5329827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10299076A JPS5329827A (en) 1976-08-27 1976-08-27 Blackboard cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10299076A JPS5329827A (en) 1976-08-27 1976-08-27 Blackboard cleaner

Publications (2)

Publication Number Publication Date
JPS5329827A true JPS5329827A (en) 1978-03-20
JPS5440967B2 JPS5440967B2 (enrdf_load_stackoverflow) 1979-12-06

Family

ID=14342130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10299076A Granted JPS5329827A (en) 1976-08-27 1976-08-27 Blackboard cleaner

Country Status (1)

Country Link
JP (1) JPS5329827A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5440967B2 (enrdf_load_stackoverflow) 1979-12-06

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