CN109448505B - 一种英文字母重复性练习装置 - Google Patents
一种英文字母重复性练习装置 Download PDFInfo
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- CN109448505B CN109448505B CN201910038729.0A CN201910038729A CN109448505B CN 109448505 B CN109448505 B CN 109448505B CN 201910038729 A CN201910038729 A CN 201910038729A CN 109448505 B CN109448505 B CN 109448505B
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- 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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- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/02—Draughting machines or drawing devices for keeping parallelism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
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CN201910038729.0A CN109448505B (zh) | 2019-01-16 | 2019-01-16 | 一种英文字母重复性练习装置 |
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CN201910038729.0A CN109448505B (zh) | 2019-01-16 | 2019-01-16 | 一种英文字母重复性练习装置 |
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CN109448505A CN109448505A (zh) | 2019-03-08 |
CN109448505B true CN109448505B (zh) | 2020-07-28 |
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CN112644209B (zh) * | 2020-12-24 | 2022-08-26 | 北京天品艺轩文化艺术有限公司 | 一种电脑图文设计用辅助系统 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204071220U (zh) * | 2014-09-13 | 2015-01-07 | 徐清华 | 一种教学用装置 |
CN204480534U (zh) * | 2015-03-27 | 2015-07-15 | 张海燕 | 多功能英语教学辅助架 |
CN204791579U (zh) * | 2015-06-02 | 2015-11-18 | 胡文杰 | 一种英语教学用具 |
CN205405944U (zh) * | 2016-02-18 | 2016-07-27 | 郑州澍青医学高等专科学校 | 一种英语教学装置 |
CN205881223U (zh) * | 2016-05-12 | 2017-01-11 | 吉林化工学院 | 一种英语单词教学展示板 |
CN107443965A (zh) * | 2017-06-22 | 2017-12-08 | 湖南城市学院 | 一种英语教学板 |
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- 2019-01-16 CN CN201910038729.0A patent/CN109448505B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204071220U (zh) * | 2014-09-13 | 2015-01-07 | 徐清华 | 一种教学用装置 |
CN204480534U (zh) * | 2015-03-27 | 2015-07-15 | 张海燕 | 多功能英语教学辅助架 |
CN204791579U (zh) * | 2015-06-02 | 2015-11-18 | 胡文杰 | 一种英语教学用具 |
CN205405944U (zh) * | 2016-02-18 | 2016-07-27 | 郑州澍青医学高等专科学校 | 一种英语教学装置 |
CN205881223U (zh) * | 2016-05-12 | 2017-01-11 | 吉林化工学院 | 一种英语单词教学展示板 |
CN107443965A (zh) * | 2017-06-22 | 2017-12-08 | 湖南城市学院 | 一种英语教学板 |
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Address after: 322100 Guangsha College, No. 1, Guangfu East Street, Dongyang City, Jinhua City, Zhejiang Province Patentee after: Zhejiang Guangxia Construction Vocational and Technical University Address before: 322100 Guangsha College, No. 1, Guangfu East Street, Dongyang City, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG GUANGSHA College OF APPLIED CONSTRUCTION TECHNOLOGY |
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Effective date of registration: 20230911 Address after: 710000 Room 2902, Building C, No. 3 Chang'an Street, Beilin District, Xi'an City, Shaanxi Province Patentee after: Shaanxi Bojiang Information Technology Co.,Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. Effective date of registration: 20230911 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 322100 Guangsha College, No. 1, Guangfu East Street, Dongyang City, Jinhua City, Zhejiang Province Patentee before: Zhejiang Guangxia Construction Vocational and Technical University |
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Effective date of registration: 20231025 Address after: 710000 Room 2902, Building C, No. 3 Chang'an Street, Beilin District, Xi'an City, Shaanxi Province Patentee after: Shaanxi Bojiang Education Technology Group Co.,Ltd. Address before: 710000 Room 2902, Building C, No. 3 Chang'an Street, Beilin District, Xi'an City, Shaanxi Province Patentee before: Shaanxi Bojiang Information Technology Co.,Ltd. |