CN214118252U - 一种矿用无线通信设备 - Google Patents
一种矿用无线通信设备 Download PDFInfo
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Effective date of registration: 20231221 Address after: 221000 Guoji Chengbang 39-1-902, Daxue Road, Tongshan District, Xuzhou City, Jiangsu Province Patentee after: Sun Qian 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: 20231221 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: Huaiyin Normal University, 111 Changjiang West Road, Huaiyin District, Huai'an City, Jiangsu Province 223300 Patentee before: HUAIYIN NORMAL University |