CN111469585B - 一种教学设备 - Google Patents
一种教学设备 Download PDFInfo
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- CN111469585B CN111469585B CN202010399641.4A CN202010399641A CN111469585B CN 111469585 B CN111469585 B CN 111469585B CN 202010399641 A CN202010399641 A CN 202010399641A CN 111469585 B CN111469585 B CN 111469585B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
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Abstract
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Priority Applications (1)
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CN202010399641.4A CN111469585B (zh) | 2020-05-13 | 2020-05-13 | 一种教学设备 |
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CN202010399641.4A CN111469585B (zh) | 2020-05-13 | 2020-05-13 | 一种教学设备 |
Publications (2)
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CN111469585A CN111469585A (zh) | 2020-07-31 |
CN111469585B true CN111469585B (zh) | 2021-12-03 |
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CN202010399641.4A Active CN111469585B (zh) | 2020-05-13 | 2020-05-13 | 一种教学设备 |
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CN (1) | CN111469585B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112009142B (zh) * | 2020-09-09 | 2021-04-06 | 上海易教科技股份有限公司 | 推拉黑板 |
CN113910818B (zh) * | 2021-11-09 | 2023-04-18 | 深圳立为信息科技有限公司 | 一种教学用快速清洁式黑板 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH091985A (ja) * | 1995-06-20 | 1997-01-07 | Nec Eng Ltd | 電子白板装置 |
CN2288849Y (zh) * | 1995-07-20 | 1998-08-26 | 赵印海 | 履带式黑板 |
CN2866177Y (zh) * | 2005-12-26 | 2007-02-07 | 李皓恒 | 转动清洁的粉笔灰槽 |
CN201366878Y (zh) * | 2008-12-30 | 2009-12-23 | 上海市杨浦区打虎山路第一小学 | 一种粉笔槽 |
CN201769544U (zh) * | 2010-06-30 | 2011-03-23 | 李宽宏 | 一种教学黑板 |
CN102874019A (zh) * | 2012-10-17 | 2013-01-16 | 徐海洋 | 易清除粉笔末的黑板 |
CN203780161U (zh) * | 2014-04-13 | 2014-08-20 | 马纯奎 | 用于教学的黑板 |
CN205149328U (zh) * | 2015-11-19 | 2016-04-13 | 黄子霄 | 黑板灰尘槽智能小车清洁装置 |
CN206579345U (zh) * | 2016-08-31 | 2017-10-24 | 阳金秀 | 一种可移动式教学黑板 |
CN206344598U (zh) * | 2016-11-14 | 2017-07-21 | 刘中昊 | 教学黑板 |
CN107570514A (zh) * | 2017-09-07 | 2018-01-12 | 张曦曦 | 一种粉笔灰回收装置 |
CN208180602U (zh) * | 2018-04-19 | 2018-12-04 | 四川众森同越科技有限公司 | 一种推拉黑板 |
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PB01 | Publication | ||
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Effective date of registration: 20211116 Address after: 510000 room 499, No. 89, Yanling Road, Tianhe District, Guangzhou, Guangdong Applicant after: Guangzhou Zhitong Information Technology Co., Ltd Address before: 215500 Building 2, No. 6-1, Xinjia lane, Yushan Town, Changshu City, Suzhou City, Jiangsu Province Applicant before: Jun Chen |
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Effective date of registration: 20211223 Address after: 271000 Yongchang Zhihe science and technology center, Taishan science and technology and Cultural Industrial Park, north of science and Technology Street, Tai'an City, Shandong Province Patentee after: SHANDONG ZONTON ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 510000 room 499, No. 89, Yanling Road, Tianhe District, Guangzhou, Guangdong Patentee before: Guangzhou Zhitong Information Technology Co.,Ltd. |