CN217644699U - 一种具有定位功能的老年人手环 - Google Patents
一种具有定位功能的老年人手环 Download PDFInfo
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Effective date of registration: 20240530 Address after: 710116 East Building 502, Building 5, West Life Science Park, intersection of Keyuan Fourth Road and Fengdong Avenue, Wangsi Street, Fengdong New City, Xixian New District, Xi'an City, Shaanxi Province Patentee after: Xi'an Ewente Technology Co.,Ltd. Country or region after: China Address before: 210000 room B021, 20th floor, building B, Xingzhi science and Technology Park, No. 6, Xingzhi Road, Nanjing Economic and Technological Development Zone, Jiangsu Province Patentee before: Nanjing mass IOT Technology Co.,Ltd. Country or region before: China |