CN213458467U - 一种音标分类展示练习装置 - Google Patents
一种音标分类展示练习装置 Download PDFInfo
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CN202022670181.2U CN213458467U (zh) | 2020-11-18 | 2020-11-18 | 一种音标分类展示练习装置 |
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Effective date of registration: 20211102 Address after: 223005 room 306, building 3, No.9 Haikou Road, Huaian Economic and Technological Development Zone, Jiangsu Province Patentee after: Huai'an agile teaching aids Co.,Ltd. Address before: No.8, Meicheng East Road, Huaian Economic and Technological Development Zone, Jiangsu Province, 223005 Patentee before: JIANGSU VOCATIONAL College OF FINANCE & ECONOMICS |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210615 Termination date: 20211118 |
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CF01 | Termination of patent right due to non-payment of annual fee |