CN208141633U - 一种组合式多功能学习机多媒体教学装置 - Google Patents
一种组合式多功能学习机多媒体教学装置 Download PDFInfo
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- CN208141633U CN208141633U CN201820172852.2U CN201820172852U CN208141633U CN 208141633 U CN208141633 U CN 208141633U CN 201820172852 U CN201820172852 U CN 201820172852U CN 208141633 U CN208141633 U CN 208141633U
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| CN201820172852.2U CN208141633U (zh) | 2018-02-01 | 2018-02-01 | 一种组合式多功能学习机多媒体教学装置 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Multimedia teaching apparatus for combined multifunctional learning machine Effective date of registration: 20190111 Granted publication date: 20181123 Pledgee: China Co truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: Video Science and Technology Ltd. of Guangzhou StrongmenGroup Registration number: 2019440000019 |
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Address after: 510000 Guangdong science and Technology Development Zone, Guangzhou science and technology zone, 182, No. sixth, sixth, 603, science Avenue. Patentee after: Guangzhou Lifu Technology Co., Ltd Address before: 510000 Guangdong science and Technology Development Zone, Guangzhou science and technology zone, 182, No. sixth, sixth, 603, science Avenue. Patentee before: GUANGZHOU LIFU VIDEO SCIENCE & TECHNOLOGY Co.,Ltd. |
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Date of cancellation: 20201223 Granted publication date: 20181123 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU LIFU VIDEO SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: 2019440000019 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |