CN109760453B - 一种减少粉笔灰飞扬的黑板擦 - Google Patents
一种减少粉笔灰飞扬的黑板擦 Download PDFInfo
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110303805B (zh) * | 2019-07-16 | 2021-04-13 | 温州斯酷睿机械科技有限公司 | 一种自动吸尘的黑板擦 |
CN110589578B (zh) * | 2019-09-22 | 2020-11-17 | 义乌市佳倩科技有限公司 | 自动化纺织机用纺织导辊 |
CN112519461A (zh) * | 2020-11-16 | 2021-03-19 | 刘宗述 | 一种自清洁黑板擦 |
CN115054031A (zh) * | 2022-06-27 | 2022-09-16 | 丽荣鞋业(深圳)有限公司 | 一种修边磨粗一体的制鞋设备 |
Citations (13)
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CN2122070U (zh) * | 1991-07-05 | 1992-11-18 | 王森 | 板擦 |
CN2154181Y (zh) * | 1992-02-27 | 1994-01-26 | 王锦化 | 静电吸尘黑板擦 |
CN2219799Y (zh) * | 1995-01-12 | 1996-02-14 | 车玉成 | 吸尘黑板擦 |
CN201456827U (zh) * | 2009-05-09 | 2010-05-12 | 周博 | 吸尘黑板擦 |
CN102189877A (zh) * | 2010-03-09 | 2011-09-21 | 顾天晟 | 一种多功能黑板擦 |
CN202029597U (zh) * | 2011-03-29 | 2011-11-09 | 华东师范大学附属杨行中学 | 吸尘黑板擦 |
CN202062913U (zh) * | 2011-04-12 | 2011-12-07 | 辜卫辰 | 吸尘黑板擦 |
CN102431364A (zh) * | 2011-12-06 | 2012-05-02 | 大连海洋大学 | 无尘黑板擦 |
CN202862950U (zh) * | 2012-09-05 | 2013-04-10 | 许征利 | 一种静电吸尘式黑板擦 |
CN203157519U (zh) * | 2013-01-10 | 2013-08-28 | 中国石油大学(华东) | 一种静电除尘黑板擦 |
CN205112783U (zh) * | 2015-10-23 | 2016-03-30 | 苏州市第五中学校 | 新型无尘板擦 |
CN206568779U (zh) * | 2017-01-06 | 2017-10-20 | 杨茹萍 | 一种防尘粉笔擦 |
CN107672355A (zh) * | 2017-08-25 | 2018-02-09 | 安徽信息工程学院 | 黑板擦 |
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2019
- 2019-03-12 CN CN201910183831.XA patent/CN109760453B/zh not_active Expired - Fee Related
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2122070U (zh) * | 1991-07-05 | 1992-11-18 | 王森 | 板擦 |
CN2154181Y (zh) * | 1992-02-27 | 1994-01-26 | 王锦化 | 静电吸尘黑板擦 |
CN2219799Y (zh) * | 1995-01-12 | 1996-02-14 | 车玉成 | 吸尘黑板擦 |
CN201456827U (zh) * | 2009-05-09 | 2010-05-12 | 周博 | 吸尘黑板擦 |
CN102189877A (zh) * | 2010-03-09 | 2011-09-21 | 顾天晟 | 一种多功能黑板擦 |
CN202029597U (zh) * | 2011-03-29 | 2011-11-09 | 华东师范大学附属杨行中学 | 吸尘黑板擦 |
CN202062913U (zh) * | 2011-04-12 | 2011-12-07 | 辜卫辰 | 吸尘黑板擦 |
CN102431364A (zh) * | 2011-12-06 | 2012-05-02 | 大连海洋大学 | 无尘黑板擦 |
CN202862950U (zh) * | 2012-09-05 | 2013-04-10 | 许征利 | 一种静电吸尘式黑板擦 |
CN203157519U (zh) * | 2013-01-10 | 2013-08-28 | 中国石油大学(华东) | 一种静电除尘黑板擦 |
CN205112783U (zh) * | 2015-10-23 | 2016-03-30 | 苏州市第五中学校 | 新型无尘板擦 |
CN206568779U (zh) * | 2017-01-06 | 2017-10-20 | 杨茹萍 | 一种防尘粉笔擦 |
CN107672355A (zh) * | 2017-08-25 | 2018-02-09 | 安徽信息工程学院 | 黑板擦 |
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