CN217443966U - 一种基于4g网络的停电缺相报警装置 - Google Patents
一种基于4g网络的停电缺相报警装置 Download PDFInfo
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- CN217443966U CN217443966U CN202221423948.4U CN202221423948U CN217443966U CN 217443966 U CN217443966 U CN 217443966U CN 202221423948 U CN202221423948 U CN 202221423948U CN 217443966 U CN217443966 U CN 217443966U
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Effective date of registration: 20251010 Address after: 250100 Shandong Province, Jinan City, Shi Zhong District, Xinglong Street, China Resources Property Times Science and Technology Innovation Center Building 21, Room 104 Patentee after: Jinan Yuanya Information Technology Co.,Ltd. Country or region after: China Address before: 201100 floors 3 and 4, building 2, No. 598, Guanghua Road, Minhang District, Shanghai Patentee before: Bao Mingxiang (Shanghai) IOT Technology Co.,Ltd. Country or region before: China |