CN210667231U - 一种计算机多媒体组合式演示教学仪器 - Google Patents
一种计算机多媒体组合式演示教学仪器 Download PDFInfo
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CN114701263A (zh) * | 2022-03-30 | 2022-07-05 | 武汉工程大学 | 一种创新体验拓染机 |
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CN114701263A (zh) * | 2022-03-30 | 2022-07-05 | 武汉工程大学 | 一种创新体验拓染机 |
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Effective date of registration: 20231024 Address after: P71, Room 902, No. 179 Tianhe North Road, Tianhe District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangzhou Hetong Communication 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: 20231024 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: 554300 Tongren Vocational and Technical College, Chuandong Education Park, Bijiang District, Tongren City, Guizhou Province Patentee before: TONGREN POLYTECHNIC College |