CN213659621U - 一种新型电子烟雾报警器 - Google Patents
一种新型电子烟雾报警器 Download PDFInfo
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Effective date of registration: 20230529 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: 225000 Huayang Xi Road, Yangzhou, Jiangsu 199 Patentee before: YANGZHOU POLYTECHNIC INSTITUTE Effective date of registration: 20230529 Address after: Room 6884, 1st Floor, Building 5, No. 168, Lane 6495, Tingwei Road, Jinshan Industrial Zone, Jinshan District, Shanghai, 201500 Patentee after: Shanghai Yonggu Industrial 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. |
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