JPS61160983U - - Google Patents

Info

Publication number
JPS61160983U
JPS61160983U JP2902285U JP2902285U JPS61160983U JP S61160983 U JPS61160983 U JP S61160983U JP 2902285 U JP2902285 U JP 2902285U JP 2902285 U JP2902285 U JP 2902285U JP S61160983 U JPS61160983 U JP S61160983U
Authority
JP
Japan
Prior art keywords
wiping roller
wiping
sheet
fitted
operated
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
JP2902285U
Other languages
English (en)
Japanese (ja)
Other versions
JPH036467Y2 (enrdf_load_stackoverflow
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 JP2902285U priority Critical patent/JPH036467Y2/ja
Publication of JPS61160983U publication Critical patent/JPS61160983U/ja
Application granted granted Critical
Publication of JPH036467Y2 publication Critical patent/JPH036467Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP2902285U 1985-02-28 1985-02-28 Expired JPH036467Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2902285U JPH036467Y2 (enrdf_load_stackoverflow) 1985-02-28 1985-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2902285U JPH036467Y2 (enrdf_load_stackoverflow) 1985-02-28 1985-02-28

Publications (2)

Publication Number Publication Date
JPS61160983U true JPS61160983U (enrdf_load_stackoverflow) 1986-10-06
JPH036467Y2 JPH036467Y2 (enrdf_load_stackoverflow) 1991-02-19

Family

ID=30527453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2902285U Expired JPH036467Y2 (enrdf_load_stackoverflow) 1985-02-28 1985-02-28

Country Status (1)

Country Link
JP (1) JPH036467Y2 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103332045A (zh) * 2013-06-14 2013-10-02 张更生 无尘黑板
CN105034664A (zh) * 2015-08-07 2015-11-11 湖南城市学院 帆布卷轴式黑板
CN110744952A (zh) * 2019-10-24 2020-02-04 郑州航空工业管理学院 一种高等数学教学用具

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103332045A (zh) * 2013-06-14 2013-10-02 张更生 无尘黑板
CN105034664A (zh) * 2015-08-07 2015-11-11 湖南城市学院 帆布卷轴式黑板
CN105034664B (zh) * 2015-08-07 2017-01-18 湖南城市学院 帆布卷轴式黑板
CN110744952A (zh) * 2019-10-24 2020-02-04 郑州航空工业管理学院 一种高等数学教学用具

Also Published As

Publication number Publication date
JPH036467Y2 (enrdf_load_stackoverflow) 1991-02-19

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