CN207947769U - 一种新型矿用无线传感收发装置 - Google Patents
一种新型矿用无线传感收发装置 Download PDFInfo
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Effective date of registration: 20200420 Address after: No. 2299, Haixi Road, Huangdao District, Qingdao, Shandong Province Co-patentee after: Huaxia Tianxin intelligent IOT (Dalian) Co., Ltd Patentee after: HUAXIA TIANXIN INTELLIGENT INTERNET OF THINGS Co.,Ltd. Address before: 100000 Beijing Daxing District economic development zone 36 Jinyuan 1 1 2 story 206 rooms Patentee before: BEIJING HUAXIA XIANDAO MEASUREMENT AND CONTROL TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20211207 Address after: 116000 floor 1-4, No. 8-2, Guangming West Street, Dalian Economic and Technological Development Zone, Dalian City, Liaoning Province Patentee after: Huaxia Tianxin intelligent IOT (Dalian) Co.,Ltd. Address before: 266000 No. 2299, Haixi Road, Huangdao District, Qingdao, Shandong Patentee before: HUAXIA TIANXIN INTELLIGENT INTERNET OF THINGS Co.,Ltd. Patentee before: Huaxia Tianxin intelligent IOT (Dalian) Co., Ltd |