CN216162710U - 一种无线对讲机用的延伸听讲装置 - Google Patents
一种无线对讲机用的延伸听讲装置 Download PDFInfo
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Address after: 300457 1-c-701, No. 15, Rongyuan Road, Huayuan Industrial Zone, high tech Zone, Binhai New Area, Tianjin Patentee after: Tianjin Chenxi Technology Co.,Ltd. Address before: 300110 2-c-601-612-11 Shanggu business center, south of Tianta Road, water park, Nankai District, Tianjin Patentee before: Tianjin Chenxi Technology Co.,Ltd. |
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Address after: 1-C-701, No. 15, Rongyuan Road, Huayuan Industrial Zone, Binhai High-tech Zone, Xiqing District, Tianjin 300000 Patentee after: Tianjin Chenxi Technology Co.,Ltd. Address before: 300457 1-c-701, No. 15, Rongyuan Road, Huayuan Industrial Zone, high tech Zone, Binhai New Area, Tianjin Patentee before: Tianjin Chenxi Technology Co.,Ltd. |
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