CN211654033U - 电子盲文书 - Google Patents
电子盲文书 Download PDFInfo
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- CN211654033U CN211654033U CN202020826592.3U CN202020826592U CN211654033U CN 211654033 U CN211654033 U CN 211654033U CN 202020826592 U CN202020826592 U CN 202020826592U CN 211654033 U CN211654033 U CN 211654033U
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CN202020826592.3U CN211654033U (zh) | 2020-05-18 | 2020-05-18 | 电子盲文书 |
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CN202020826592.3U CN211654033U (zh) | 2020-05-18 | 2020-05-18 | 电子盲文书 |
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CN211654033U true CN211654033U (zh) | 2020-10-09 |
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CN202020826592.3U Expired - Fee Related CN211654033U (zh) | 2020-05-18 | 2020-05-18 | 电子盲文书 |
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GR01 | Patent grant | ||
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Effective date of registration: 20201202 Address after: 310000 2-3 / F-40, Zhuoxin building, 3820 South Ring Road, Puyan street, Binjiang District, Hangzhou City, Zhejiang Province (self declaration) Patentee after: Telelink (Hangzhou) Information Technology Service Co.,Ltd. Address before: 310000, No. 68, source street, Xiasha Higher Education Park, Hangzhou, Zhejiang Patentee before: HANGZHOU VOCATIONAL & TECHNICAL College |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 Termination date: 20210518 |
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CF01 | Termination of patent right due to non-payment of annual fee |