CN207928045U - 一种教育学用的升降课桌 - Google Patents
一种教育学用的升降课桌 Download PDFInfo
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- CN207928045U CN207928045U CN201820035865.5U CN201820035865U CN207928045U CN 207928045 U CN207928045 U CN 207928045U CN 201820035865 U CN201820035865 U CN 201820035865U CN 207928045 U CN207928045 U CN 207928045U
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CN201820035865.5U CN207928045U (zh) | 2018-01-09 | 2018-01-09 | 一种教育学用的升降课桌 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110089845A (zh) * | 2019-05-14 | 2019-08-06 | 蔡婷如 | 一种多级升降式书桌 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110089845A (zh) * | 2019-05-14 | 2019-08-06 | 蔡婷如 | 一种多级升降式书桌 |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190517 Address after: 225603 C-1-Office 1908, 105-1 Weiyang Road, Yangzhou Economic Development Zone, Jiangsu Province Patentee after: Jiangsu Guantong Education Technology Co.,Ltd. Address before: 510000 B1B2, one, two, three and four floors of the podium building 231 and 233, science Avenue, Guangzhou, Guangdong. Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20190517 Address after: 510000 B1B2, one, two, three and four floors of the podium building 231 and 233, science Avenue, Guangzhou, Guangdong. Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 362600 No. 10, Duxi Village, Penghu Town, Yongchun County, Quanzhou City, Fujian Province Patentee before: Ke Fuyi |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20220109 |