CN108133643B - 一种用于教学的趣味型运算装置 - Google Patents
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- CN108133643B CN108133643B CN201810152683.0A CN201810152683A CN108133643B CN 108133643 B CN108133643 B CN 108133643B CN 201810152683 A CN201810152683 A CN 201810152683A CN 108133643 B CN108133643 B CN 108133643B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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CN108133643A CN108133643A (zh) | 2018-06-08 |
CN108133643B true CN108133643B (zh) | 2020-06-05 |
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CN111932969A (zh) * | 2020-07-30 | 2020-11-13 | 山东交通职业学院 | 一种船用电站检修实训设备 |
CN113593370A (zh) * | 2021-07-30 | 2021-11-02 | 脑谷人工智能研究院(南京)有限公司 | 一种用于引导儿童正确学习的教学设备 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6262813B1 (en) * | 1997-08-18 | 2001-07-17 | Ricoh Company, Ltd. | Apparatus and method for image data processing apparatus capable of correcting dots of bit-mapped image data with a relatively smaller-sized memory |
CN203520691U (zh) * | 2013-10-24 | 2014-04-02 | 宋子建 | 一种小学数学教学用计算器 |
CN205334810U (zh) * | 2016-01-28 | 2016-06-22 | 梁爱雪 | 数学教学用机械式运算练习器 |
CN206400868U (zh) * | 2016-12-24 | 2017-08-11 | 张西华 | 一种调节式稳固型小学数学四则运算教学用演示板 |
CN207020833U (zh) * | 2017-04-28 | 2018-02-16 | 渭南师范学院 | 一种中学英语趣味性教学装置 |
CN107705670A (zh) * | 2017-11-13 | 2018-02-16 | 王孝庆 | 一种小学数学教学装置 |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6262813B1 (en) * | 1997-08-18 | 2001-07-17 | Ricoh Company, Ltd. | Apparatus and method for image data processing apparatus capable of correcting dots of bit-mapped image data with a relatively smaller-sized memory |
CN203520691U (zh) * | 2013-10-24 | 2014-04-02 | 宋子建 | 一种小学数学教学用计算器 |
CN205334810U (zh) * | 2016-01-28 | 2016-06-22 | 梁爱雪 | 数学教学用机械式运算练习器 |
CN206400868U (zh) * | 2016-12-24 | 2017-08-11 | 张西华 | 一种调节式稳固型小学数学四则运算教学用演示板 |
CN207020833U (zh) * | 2017-04-28 | 2018-02-16 | 渭南师范学院 | 一种中学英语趣味性教学装置 |
CN107705670A (zh) * | 2017-11-13 | 2018-02-16 | 王孝庆 | 一种小学数学教学装置 |
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Effective date of registration: 20241114 Address after: No. 1109, North Office, 10th floor, new materials venture building, No. 7, Fenghui Middle Road, Haidian District, Beijing Patentee after: Youyixue (Beijing) Education Technology Co.,Ltd. Country or region after: China Address before: 250000 in fengjialin Industrial Park, Laiwu high tech Zone, Jinan City, Shandong Province Patentee before: Laiwu Wenlin Geotechnical Material Co.,Ltd. Country or region before: China |